161789403

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 230436864

約数和(自身を除く): 68647461

約数列:

[1, 3, 31, 41, 93, 123, 151, 281, 453, 843, 1271, 3813, 4681, 6191, 8711, 11521, 14043, 18573, 26133, 34563, 42431, 127293, 191921, 357151, 575763, 1071453, 1315361, 1739671, 3946083, 5219013, 53929801, 161789403]

約数ペア:

[(1, 161789403), (3, 53929801), (31, 5219013), (41, 3946083), (93, 1739671), (123, 1315361), (151, 1071453), (281, 575763), (453, 357151), (843, 191921), (1271, 127293), (3813, 42431), (4681, 34563), (6191, 26133), (8711, 18573), (11521, 14043)]