157081323

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{769}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 244823040

約数和(自身を除く): 87741717

約数列:

[1, 3, 7, 21, 71, 137, 213, 411, 497, 769, 959, 1491, 2307, 2877, 5383, 9727, 16149, 29181, 54599, 68089, 105353, 163797, 204267, 316059, 382193, 737471, 1146579, 2212413, 7480063, 22440189, 52360441, 157081323]

約数ペア:

[(1, 157081323), (3, 52360441), (7, 22440189), (21, 7480063), (71, 2212413), (137, 1146579), (213, 737471), (411, 382193), (497, 316059), (769, 204267), (959, 163797), (1491, 105353), (2307, 68089), (2877, 54599), (5383, 29181), (9727, 16149)]