156685995

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5449}}^1$

素因数の和:5537

約数の個数: 40

約数和(自身を含む): 284882400

約数和(自身を除く): 128196405

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1917, 3195, 5449, 5751, 9585, 16347, 27245, 28755, 49041, 81735, 147123, 245205, 386879, 441369, 735615, 1160637, 1934395, 2206845, 3481911, 5803185, 10445733, 17409555, 31337199, 52228665, 156685995]

約数ペア:

[(1, 156685995), (3, 52228665), (5, 31337199), (9, 17409555), (15, 10445733), (27, 5803185), (45, 3481911), (71, 2206845), (81, 1934395), (135, 1160637), (213, 735615), (355, 441369), (405, 386879), (639, 245205), (1065, 147123), (1917, 81735), (3195, 49041), (5449, 28755), (5751, 27245), (9585, 16347)]