157215513

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{8111}}^1$

素因数の和:8205

約数の個数: 32

約数和(自身を含む): 261660672

約数和(自身を除く): 104445159

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1491, 2769, 6461, 8111, 19383, 24333, 56777, 105443, 170331, 316329, 575881, 738101, 1727643, 2214303, 4031167, 7486453, 12093501, 22459359, 52405171, 157215513]

約数ペア:

[(1, 157215513), (3, 52405171), (7, 22459359), (13, 12093501), (21, 7486453), (39, 4031167), (71, 2214303), (91, 1727643), (213, 738101), (273, 575881), (497, 316329), (923, 170331), (1491, 105443), (2769, 56777), (6461, 24333), (8111, 19383)]