25107375

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 64

約数和(自身を含む): 45287424

約数和(自身を除く): 20180049

約数列:

[1, 3, 5, 15, 23, 25, 41, 69, 71, 75, 115, 123, 125, 205, 213, 345, 355, 375, 575, 615, 943, 1025, 1065, 1633, 1725, 1775, 2829, 2875, 2911, 3075, 4715, 4899, 5125, 5325, 8165, 8625, 8733, 8875, 14145, 14555, 15375, 23575, 24495, 26625, 40825, 43665, 66953, 70725, 72775, 117875, 122475, 200859, 204125, 218325, 334765, 353625, 363875, 612375, 1004295, 1091625, 1673825, 5021475, 8369125, 25107375]

約数ペア:

[(1, 25107375), (3, 8369125), (5, 5021475), (15, 1673825), (23, 1091625), (25, 1004295), (41, 612375), (69, 363875), (71, 353625), (75, 334765), (115, 218325), (123, 204125), (125, 200859), (205, 122475), (213, 117875), (345, 72775), (355, 70725), (375, 66953), (575, 43665), (615, 40825), (943, 26625), (1025, 24495), (1065, 23575), (1633, 15375), (1725, 14555), (1775, 14145), (2829, 8875), (2875, 8733), (2911, 8625), (3075, 8165), (4715, 5325), (4899, 5125)]