12131405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:114

約数の個数: 48

約数和(自身を含む): 18434304

約数和(自身を除く): 6302899

約数列:

[1, 5, 11, 13, 19, 47, 55, 65, 95, 143, 209, 235, 247, 361, 517, 611, 715, 893, 1045, 1235, 1805, 2585, 2717, 3055, 3971, 4465, 4693, 6721, 9823, 11609, 13585, 16967, 19855, 23465, 33605, 49115, 51623, 58045, 84835, 127699, 186637, 220571, 258115, 638495, 933185, 1102855, 2426281, 12131405]

約数ペア:

[(1, 12131405), (5, 2426281), (11, 1102855), (13, 933185), (19, 638495), (47, 258115), (55, 220571), (65, 186637), (95, 127699), (143, 84835), (209, 58045), (235, 51623), (247, 49115), (361, 33605), (517, 23465), (611, 19855), (715, 16967), (893, 13585), (1045, 11609), (1235, 9823), (1805, 6721), (2585, 4693), (2717, 4465), (3055, 3971)]