31512051

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 51023520

約数和(自身を除く): 19511469

約数列:

[1, 3, 9, 19, 27, 53, 57, 61, 159, 171, 183, 361, 477, 513, 549, 1007, 1083, 1159, 1431, 1647, 3021, 3233, 3249, 3477, 9063, 9699, 9747, 10431, 19133, 22021, 27189, 29097, 31293, 57399, 61427, 66063, 87291, 172197, 184281, 198189, 516591, 552843, 594567, 1167113, 1658529, 3501339, 10504017, 31512051]

約数ペア:

[(1, 31512051), (3, 10504017), (9, 3501339), (19, 1658529), (27, 1167113), (53, 594567), (57, 552843), (61, 516591), (159, 198189), (171, 184281), (183, 172197), (361, 87291), (477, 66063), (513, 61427), (549, 57399), (1007, 31293), (1083, 29097), (1159, 27189), (1431, 22021), (1647, 19133), (3021, 10431), (3233, 9747), (3249, 9699), (3477, 9063)]