28825125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 55910400

約数和(自身を除く): 27085275

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 79, 105, 125, 139, 175, 237, 375, 395, 417, 525, 553, 695, 875, 973, 1185, 1659, 1975, 2085, 2625, 2765, 2919, 3475, 4865, 5925, 8295, 9875, 10425, 10981, 13825, 14595, 17375, 24325, 29625, 32943, 41475, 52125, 54905, 69125, 72975, 76867, 121625, 164715, 207375, 230601, 274525, 364875, 384335, 823575, 1153005, 1372625, 1921675, 4117875, 5765025, 9608375, 28825125]

約数ペア:

[(1, 28825125), (3, 9608375), (5, 5765025), (7, 4117875), (15, 1921675), (21, 1372625), (25, 1153005), (35, 823575), (75, 384335), (79, 364875), (105, 274525), (125, 230601), (139, 207375), (175, 164715), (237, 121625), (375, 76867), (395, 72975), (417, 69125), (525, 54905), (553, 52125), (695, 41475), (875, 32943), (973, 29625), (1185, 24325), (1659, 17375), (1975, 14595), (2085, 13825), (2625, 10981), (2765, 10425), (2919, 9875), (3475, 8295), (4865, 5925)]