1215487

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:95

約数の個数: 24

約数和(自身を含む): 1621536

約数和(自身を除く): 406049

約数列:

[1, 7, 13, 19, 37, 91, 133, 247, 259, 361, 481, 703, 1729, 2527, 3367, 4693, 4921, 9139, 13357, 32851, 63973, 93499, 173641, 1215487]

約数ペア:

[(1, 1215487), (7, 173641), (13, 93499), (19, 63973), (37, 32851), (91, 13357), (133, 9139), (247, 4921), (259, 4693), (361, 3367), (481, 2527), (703, 1729)]