40821405

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3331}}^1$

素因数の和:3401

約数の個数: 32

約数和(自身を含む): 70371840

約数和(自身を除く): 29550435

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 2451, 3331, 4085, 9993, 12255, 16655, 49965, 63289, 143233, 189867, 316445, 429699, 716165, 949335, 2148495, 2721427, 8164281, 13607135, 40821405]

約数ペア:

[(1, 40821405), (3, 13607135), (5, 8164281), (15, 2721427), (19, 2148495), (43, 949335), (57, 716165), (95, 429699), (129, 316445), (215, 189867), (285, 143233), (645, 63289), (817, 49965), (2451, 16655), (3331, 12255), (4085, 9993)]