71129625

素因数分解:

$3^1\times 5^3\times 7^4\times {\mathrm{79}}^1$

素因数の和:125

約数の個数: 80

約数和(自身を含む): 139825920

約数和(自身を除く): 68696295

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 79, 105, 125, 147, 175, 237, 245, 343, 375, 395, 525, 553, 735, 875, 1029, 1185, 1225, 1659, 1715, 1975, 2401, 2625, 2765, 3675, 3871, 5145, 5925, 6125, 7203, 8295, 8575, 9875, 11613, 12005, 13825, 18375, 19355, 25725, 27097, 29625, 36015, 41475, 42875, 58065, 60025, 69125, 81291, 96775, 128625, 135485, 180075, 189679, 207375, 290325, 300125, 406455, 483875, 569037, 677425, 900375, 948395, 1451625, 2032275, 2845185, 3387125, 4741975, 10161375, 14225925, 23709875, 71129625]

約数ペア:

[(1, 71129625), (3, 23709875), (5, 14225925), (7, 10161375), (15, 4741975), (21, 3387125), (25, 2845185), (35, 2032275), (49, 1451625), (75, 948395), (79, 900375), (105, 677425), (125, 569037), (147, 483875), (175, 406455), (237, 300125), (245, 290325), (343, 207375), (375, 189679), (395, 180075), (525, 135485), (553, 128625), (735, 96775), (875, 81291), (1029, 69125), (1185, 60025), (1225, 58065), (1659, 42875), (1715, 41475), (1975, 36015), (2401, 29625), (2625, 27097), (2765, 25725), (3675, 19355), (3871, 18375), (5145, 13825), (5925, 12005), (6125, 11613), (7203, 9875), (8295, 8575)]