215602155

素因数分解:

$3^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1979}}^1$

素因数の和:2265

約数の個数: 40

約数和(自身を含む): 388119600

約数和(自身を除く): 172517445

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 269, 405, 807, 1345, 1979, 2421, 4035, 5937, 7263, 9895, 12105, 17811, 21789, 29685, 36315, 53433, 89055, 108945, 160299, 267165, 532351, 801495, 1597053, 2661755, 4791159, 7985265, 14373477, 23955795, 43120431, 71867385, 215602155]

約数ペア:

[(1, 215602155), (3, 71867385), (5, 43120431), (9, 23955795), (15, 14373477), (27, 7985265), (45, 4791159), (81, 2661755), (135, 1597053), (269, 801495), (405, 532351), (807, 267165), (1345, 160299), (1979, 108945), (2421, 89055), (4035, 53433), (5937, 36315), (7263, 29685), (9895, 21789), (12105, 17811)]