211329735

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{3181}}^1$

素因数の和:3335

約数の個数: 32

約数和(自身を含む): 349459968

約数和(自身を除く): 138130233

約数列:

[1, 3, 5, 15, 43, 103, 129, 215, 309, 515, 645, 1545, 3181, 4429, 9543, 13287, 15905, 22145, 47715, 66435, 136783, 327643, 410349, 683915, 982929, 1638215, 2051745, 4914645, 14088649, 42265947, 70443245, 211329735]

約数ペア:

[(1, 211329735), (3, 70443245), (5, 42265947), (15, 14088649), (43, 4914645), (103, 2051745), (129, 1638215), (215, 982929), (309, 683915), (515, 410349), (645, 327643), (1545, 136783), (3181, 66435), (4429, 47715), (9543, 22145), (13287, 15905)]