15209775

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:95

約数の個数: 120

約数和(自身を含む): 34209120

約数和(自身を除く): 18999345

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 29, 35, 37, 45, 63, 75, 81, 87, 105, 111, 135, 145, 175, 185, 189, 203, 225, 259, 261, 315, 333, 405, 435, 525, 555, 567, 609, 675, 725, 777, 783, 925, 945, 999, 1015, 1073, 1295, 1305, 1575, 1665, 1827, 2025, 2175, 2331, 2349, 2775, 2835, 2997, 3045, 3219, 3885, 3915, 4725, 4995, 5075, 5365, 5481, 6475, 6525, 6993, 7511, 8325, 9135, 9657, 11655, 11745, 14175, 14985, 15225, 16095, 16443, 19425, 19575, 20979, 22533, 24975, 26825, 27405, 28971, 34965, 37555, 45675, 48285, 58275, 58725, 67599, 74925, 80475, 82215, 86913, 104895, 112665, 137025, 144855, 174825, 187775, 202797, 241425, 337995, 411075, 434565, 524475, 563325, 608391, 724275, 1013985, 1689975, 2172825, 3041955, 5069925, 15209775]

約数ペア:

[(1, 15209775), (3, 5069925), (5, 3041955), (7, 2172825), (9, 1689975), (15, 1013985), (21, 724275), (25, 608391), (27, 563325), (29, 524475), (35, 434565), (37, 411075), (45, 337995), (63, 241425), (75, 202797), (81, 187775), (87, 174825), (105, 144855), (111, 137025), (135, 112665), (145, 104895), (175, 86913), (185, 82215), (189, 80475), (203, 74925), (225, 67599), (259, 58725), (261, 58275), (315, 48285), (333, 45675), (405, 37555), (435, 34965), (525, 28971), (555, 27405), (567, 26825), (609, 24975), (675, 22533), (725, 20979), (777, 19575), (783, 19425), (925, 16443), (945, 16095), (999, 15225), (1015, 14985), (1073, 14175), (1295, 11745), (1305, 11655), (1575, 9657), (1665, 9135), (1827, 8325), (2025, 7511), (2175, 6993), (2331, 6525), (2349, 6475), (2775, 5481), (2835, 5365), (2997, 5075), (3045, 4995), (3219, 4725), (3885, 3915)]