420743577

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{947}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 602836992

約数和(自身を除く): 182093415

約数列:

[1, 3, 23, 47, 69, 137, 141, 411, 947, 1081, 2841, 3151, 3243, 6439, 9453, 19317, 21781, 44509, 65343, 129739, 133527, 148097, 389217, 444291, 1023707, 2983997, 3071121, 6097733, 8951991, 18293199, 140247859, 420743577]

約数ペア:

[(1, 420743577), (3, 140247859), (23, 18293199), (47, 8951991), (69, 6097733), (137, 3071121), (141, 2983997), (411, 1023707), (947, 444291), (1081, 389217), (2841, 148097), (3151, 133527), (3243, 129739), (6439, 65343), (9453, 44509), (19317, 21781)]