49974975

素因数分解:

$3^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:111

約数の個数: 120

約数和(自身を含む): 102627360

約数和(自身を除く): 52652385

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 29, 37, 45, 69, 75, 81, 87, 111, 115, 135, 145, 185, 207, 225, 261, 333, 345, 405, 435, 555, 575, 621, 667, 675, 725, 783, 851, 925, 999, 1035, 1073, 1305, 1665, 1725, 1863, 2001, 2025, 2175, 2349, 2553, 2775, 2997, 3105, 3219, 3335, 3915, 4255, 4995, 5175, 5365, 6003, 6525, 7659, 8325, 9315, 9657, 10005, 11745, 12765, 14985, 15525, 16095, 16675, 18009, 19575, 21275, 22977, 24679, 24975, 26825, 28971, 30015, 38295, 46575, 48285, 50025, 54027, 58725, 63825, 68931, 74037, 74925, 80475, 86913, 90045, 114885, 123395, 144855, 150075, 191475, 222111, 241425, 270135, 344655, 370185, 434565, 450225, 574425, 616975, 666333, 724275, 1110555, 1350675, 1723275, 1850925, 1998999, 2172825, 3331665, 5552775, 9994995, 16658325, 49974975]

約数ペア:

[(1, 49974975), (3, 16658325), (5, 9994995), (9, 5552775), (15, 3331665), (23, 2172825), (25, 1998999), (27, 1850925), (29, 1723275), (37, 1350675), (45, 1110555), (69, 724275), (75, 666333), (81, 616975), (87, 574425), (111, 450225), (115, 434565), (135, 370185), (145, 344655), (185, 270135), (207, 241425), (225, 222111), (261, 191475), (333, 150075), (345, 144855), (405, 123395), (435, 114885), (555, 90045), (575, 86913), (621, 80475), (667, 74925), (675, 74037), (725, 68931), (783, 63825), (851, 58725), (925, 54027), (999, 50025), (1035, 48285), (1073, 46575), (1305, 38295), (1665, 30015), (1725, 28971), (1863, 26825), (2001, 24975), (2025, 24679), (2175, 22977), (2349, 21275), (2553, 19575), (2775, 18009), (2997, 16675), (3105, 16095), (3219, 15525), (3335, 14985), (3915, 12765), (4255, 11745), (4995, 10005), (5175, 9657), (5365, 9315), (6003, 8325), (6525, 7659)]