9001915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 12640320

約数和(自身を除く): 3638405

約数列:

[1, 5, 13, 19, 37, 65, 95, 185, 197, 247, 481, 703, 985, 1235, 2405, 2561, 3515, 3743, 7289, 9139, 12805, 18715, 36445, 45695, 48659, 94757, 138491, 243295, 473785, 692455, 1800383, 9001915]

約数ペア:

[(1, 9001915), (5, 1800383), (13, 692455), (19, 473785), (37, 243295), (65, 138491), (95, 94757), (185, 48659), (197, 45695), (247, 36445), (481, 18715), (703, 12805), (985, 9139), (1235, 7289), (2405, 3743), (2561, 3515)]