405432939

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{491}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 572546304

約数和(自身を除く): 167113365

約数列:

[1, 3, 37, 43, 111, 129, 173, 491, 519, 1473, 1591, 4773, 6401, 7439, 18167, 19203, 21113, 22317, 54501, 63339, 84943, 254829, 275243, 781181, 825729, 2343543, 3142891, 3652549, 9428673, 10957647, 135144313, 405432939]

約数ペア:

[(1, 405432939), (3, 135144313), (37, 10957647), (43, 9428673), (111, 3652549), (129, 3142891), (173, 2343543), (491, 825729), (519, 781181), (1473, 275243), (1591, 254829), (4773, 84943), (6401, 63339), (7439, 54501), (18167, 22317), (19203, 21113)]