31234119

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 52202880

約数和(自身を除く): 20968761

約数列:

[1, 3, 7, 19, 21, 49, 53, 57, 133, 147, 159, 211, 371, 399, 633, 931, 1007, 1113, 1477, 2597, 2793, 3021, 4009, 4431, 7049, 7791, 10339, 11183, 12027, 21147, 28063, 31017, 33549, 49343, 78281, 84189, 148029, 196441, 212477, 234843, 547967, 589323, 637431, 1487339, 1643901, 4462017, 10411373, 31234119]

約数ペア:

[(1, 31234119), (3, 10411373), (7, 4462017), (19, 1643901), (21, 1487339), (49, 637431), (53, 589323), (57, 547967), (133, 234843), (147, 212477), (159, 196441), (211, 148029), (371, 84189), (399, 78281), (633, 49343), (931, 33549), (1007, 31017), (1113, 28063), (1477, 21147), (2597, 12027), (2793, 11183), (3021, 10339), (4009, 7791), (4431, 7049)]