156972105759

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1907}}^1\times {\mathrm{55207}}^1$

素因数の和:57195

約数の個数: 32

約数和(自身を含む): 242696134656

約数和(自身を除く): 85724028897

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 1907, 5721, 13349, 40047, 55207, 135397, 165621, 386449, 406191, 947779, 1159347, 2843337, 3919697, 11759091, 27437879, 82313637, 105279749, 315839247, 736958243, 2210874729, 7474862179, 22424586537, 52324035253, 156972105759]

約数ペア:

[(1, 156972105759), (3, 52324035253), (7, 22424586537), (21, 7474862179), (71, 2210874729), (213, 736958243), (497, 315839247), (1491, 105279749), (1907, 82313637), (5721, 27437879), (13349, 11759091), (40047, 3919697), (55207, 2843337), (135397, 1159347), (165621, 947779), (386449, 406191)]