72681975

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:174

約数の個数: 96

約数和(自身を含む): 142848000

約数和(自身を除く): 70166025

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 47, 75, 79, 87, 135, 141, 145, 225, 235, 237, 261, 395, 423, 435, 675, 705, 711, 725, 783, 1175, 1185, 1269, 1305, 1363, 1975, 2115, 2133, 2175, 2291, 3525, 3555, 3713, 3915, 4089, 5925, 6345, 6525, 6815, 6873, 10575, 10665, 11139, 11455, 12267, 17775, 18565, 19575, 20445, 20619, 31725, 33417, 34075, 34365, 36801, 53325, 55695, 57275, 61335, 61857, 92825, 100251, 102225, 103095, 107677, 167085, 171825, 184005, 278475, 306675, 309285, 323031, 501255, 515475, 538385, 835425, 920025, 969093, 1546425, 1615155, 2506275, 2691925, 2907279, 4845465, 8075775, 14536395, 24227325, 72681975]

約数ペア:

[(1, 72681975), (3, 24227325), (5, 14536395), (9, 8075775), (15, 4845465), (25, 2907279), (27, 2691925), (29, 2506275), (45, 1615155), (47, 1546425), (75, 969093), (79, 920025), (87, 835425), (135, 538385), (141, 515475), (145, 501255), (225, 323031), (235, 309285), (237, 306675), (261, 278475), (395, 184005), (423, 171825), (435, 167085), (675, 107677), (705, 103095), (711, 102225), (725, 100251), (783, 92825), (1175, 61857), (1185, 61335), (1269, 57275), (1305, 55695), (1363, 53325), (1975, 36801), (2115, 34365), (2133, 34075), (2175, 33417), (2291, 31725), (3525, 20619), (3555, 20445), (3713, 19575), (3915, 18565), (4089, 17775), (5925, 12267), (6345, 11455), (6525, 11139), (6815, 10665), (6873, 10575)]