15181725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{677}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 28248192

約数和(自身を除く): 13066467

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 195, 299, 325, 345, 575, 677, 897, 975, 1495, 1725, 2031, 3385, 4485, 7475, 8801, 10155, 15571, 16925, 22425, 26403, 44005, 46713, 50775, 77855, 132015, 202423, 220025, 233565, 389275, 607269, 660075, 1012115, 1167825, 3036345, 5060575, 15181725]

約数ペア:

[(1, 15181725), (3, 5060575), (5, 3036345), (13, 1167825), (15, 1012115), (23, 660075), (25, 607269), (39, 389275), (65, 233565), (69, 220025), (75, 202423), (115, 132015), (195, 77855), (299, 50775), (325, 46713), (345, 44005), (575, 26403), (677, 22425), (897, 16925), (975, 15571), (1495, 10155), (1725, 8801), (2031, 7475), (3385, 4485)]