31393257

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 49152000

約数和(自身を除く): 17758743

約数列:

[1, 3, 7, 21, 79, 127, 149, 237, 381, 447, 553, 889, 1043, 1659, 2667, 3129, 10033, 11771, 18923, 30099, 35313, 56769, 70231, 82397, 132461, 210693, 247191, 397383, 1494917, 4484751, 10464419, 31393257]

約数ペア:

[(1, 31393257), (3, 10464419), (7, 4484751), (21, 1494917), (79, 397383), (127, 247191), (149, 210693), (237, 132461), (381, 82397), (447, 70231), (553, 56769), (889, 35313), (1043, 30099), (1659, 18923), (2667, 11771), (3129, 10033)]