17816475

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 31109120

約数和(自身を除く): 13292645

約数列:

[1, 3, 5, 15, 25, 31, 75, 79, 93, 97, 155, 237, 291, 395, 465, 485, 775, 1185, 1455, 1975, 2325, 2425, 2449, 3007, 5925, 7275, 7347, 7663, 9021, 12245, 15035, 22989, 36735, 38315, 45105, 61225, 75175, 114945, 183675, 191575, 225525, 237553, 574725, 712659, 1187765, 3563295, 5938825, 17816475]

約数ペア:

[(1, 17816475), (3, 5938825), (5, 3563295), (15, 1187765), (25, 712659), (31, 574725), (75, 237553), (79, 225525), (93, 191575), (97, 183675), (155, 114945), (237, 75175), (291, 61225), (395, 45105), (465, 38315), (485, 36735), (775, 22989), (1185, 15035), (1455, 12245), (1975, 9021), (2325, 7663), (2425, 7347), (2449, 7275), (3007, 5925)]