2017105875

素因数分解:

$3^3\times 5^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:647

約数の個数: 128

約数和(自身を含む): 3969388800

約数和(自身を除く): 1952282925

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 37, 45, 75, 87, 111, 125, 135, 145, 185, 225, 261, 333, 375, 435, 555, 557, 675, 725, 783, 925, 999, 1073, 1125, 1305, 1665, 1671, 2175, 2775, 2785, 3219, 3375, 3625, 3915, 4625, 4995, 5013, 5365, 6525, 8325, 8355, 9657, 10875, 13875, 13925, 15039, 16095, 16153, 19575, 20609, 24975, 25065, 26825, 28971, 32625, 41625, 41775, 48285, 48459, 61827, 69625, 75195, 80475, 80765, 97875, 103045, 124875, 125325, 134125, 144855, 145377, 185481, 208875, 241425, 242295, 309135, 375975, 402375, 403825, 436131, 515225, 556443, 597661, 626625, 724275, 726885, 927405, 1207125, 1211475, 1545675, 1792983, 1879875, 2019125, 2180655, 2576125, 2782215, 2988305, 3621375, 3634425, 4637025, 5378949, 6057375, 7728375, 8964915, 10903275, 13911075, 14941525, 16136847, 18172125, 23185125, 26894745, 44824575, 54516375, 69555375, 74707625, 80684235, 134473725, 224122875, 403421175, 672368625, 2017105875]

約数ペア:

[(1, 2017105875), (3, 672368625), (5, 403421175), (9, 224122875), (15, 134473725), (25, 80684235), (27, 74707625), (29, 69555375), (37, 54516375), (45, 44824575), (75, 26894745), (87, 23185125), (111, 18172125), (125, 16136847), (135, 14941525), (145, 13911075), (185, 10903275), (225, 8964915), (261, 7728375), (333, 6057375), (375, 5378949), (435, 4637025), (555, 3634425), (557, 3621375), (675, 2988305), (725, 2782215), (783, 2576125), (925, 2180655), (999, 2019125), (1073, 1879875), (1125, 1792983), (1305, 1545675), (1665, 1211475), (1671, 1207125), (2175, 927405), (2775, 726885), (2785, 724275), (3219, 626625), (3375, 597661), (3625, 556443), (3915, 515225), (4625, 436131), (4995, 403825), (5013, 402375), (5365, 375975), (6525, 309135), (8325, 242295), (8355, 241425), (9657, 208875), (10875, 185481), (13875, 145377), (13925, 144855), (15039, 134125), (16095, 125325), (16153, 124875), (19575, 103045), (20609, 97875), (24975, 80765), (25065, 80475), (26825, 75195), (28971, 69625), (32625, 61827), (41625, 48459), (41775, 48285)]