42781893

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1109}}^1$

素因数の和:1297

約数の個数: 32

約数和(自身を含む): 71608320

約数和(自身を除く): 28826427

約数列:

[1, 3, 7, 11, 21, 33, 77, 167, 231, 501, 1109, 1169, 1837, 3327, 3507, 5511, 7763, 12199, 12859, 23289, 36597, 38577, 85393, 185203, 256179, 555609, 1296421, 2037233, 3889263, 6111699, 14260631, 42781893]

約数ペア:

[(1, 42781893), (3, 14260631), (7, 6111699), (11, 3889263), (21, 2037233), (33, 1296421), (77, 555609), (167, 256179), (231, 185203), (501, 85393), (1109, 38577), (1169, 36597), (1837, 23289), (3327, 12859), (3507, 12199), (5511, 7763)]