161813625

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 285921792

約数和(自身を除く): 124108167

約数列:

[1, 3, 5, 15, 23, 25, 69, 73, 75, 115, 125, 219, 257, 345, 365, 375, 575, 771, 1095, 1285, 1679, 1725, 1825, 2875, 3855, 5037, 5475, 5911, 6425, 8395, 8625, 9125, 17733, 18761, 19275, 25185, 27375, 29555, 32125, 41975, 56283, 88665, 93805, 96375, 125925, 147775, 209875, 281415, 431503, 443325, 469025, 629625, 738875, 1294509, 1407075, 2157515, 2216625, 2345125, 6472545, 7035375, 10787575, 32362725, 53937875, 161813625]

約数ペア:

[(1, 161813625), (3, 53937875), (5, 32362725), (15, 10787575), (23, 7035375), (25, 6472545), (69, 2345125), (73, 2216625), (75, 2157515), (115, 1407075), (125, 1294509), (219, 738875), (257, 629625), (345, 469025), (365, 443325), (375, 431503), (575, 281415), (771, 209875), (1095, 147775), (1285, 125925), (1679, 96375), (1725, 93805), (1825, 88665), (2875, 56283), (3855, 41975), (5037, 32125), (5475, 29555), (5911, 27375), (6425, 25185), (8395, 19275), (8625, 18761), (9125, 17733)]