290865981

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{4597}}^1$

素因数の和:4761

約数の個数: 32

約数和(自身を含む): 466126848

約数和(自身を除く): 175260867

約数列:

[1, 3, 7, 21, 23, 69, 131, 161, 393, 483, 917, 2751, 3013, 4597, 9039, 13791, 21091, 32179, 63273, 96537, 105731, 317193, 602207, 740117, 1806621, 2220351, 4215449, 12646347, 13850761, 41552283, 96955327, 290865981]

約数ペア:

[(1, 290865981), (3, 96955327), (7, 41552283), (21, 13850761), (23, 12646347), (69, 4215449), (131, 2220351), (161, 1806621), (393, 740117), (483, 602207), (917, 317193), (2751, 105731), (3013, 96537), (4597, 63273), (9039, 32179), (13791, 21091)]