520068865671

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{117223}}^1$

素因数の和:117484

約数の個数: 48

約数和(自身を含む): 782096020992

約数和(自身を除く): 262027155321

約数列:

[1, 3, 9, 53, 71, 131, 159, 213, 393, 477, 639, 1179, 3763, 6943, 9301, 11289, 20829, 27903, 33867, 62487, 83709, 117223, 351669, 492953, 1055007, 1478859, 4436577, 6212819, 8322833, 15356213, 18638457, 24968499, 46068639, 55915371, 74905497, 138205917, 441110149, 813879289, 1090291123, 1323330447, 2441637867, 3270873369, 3969991341, 7324913601, 9812620107, 57785429519, 173356288557, 520068865671]

約数ペア:

[(1, 520068865671), (3, 173356288557), (9, 57785429519), (53, 9812620107), (71, 7324913601), (131, 3969991341), (159, 3270873369), (213, 2441637867), (393, 1323330447), (477, 1090291123), (639, 813879289), (1179, 441110149), (3763, 138205917), (6943, 74905497), (9301, 55915371), (11289, 46068639), (20829, 24968499), (27903, 18638457), (33867, 15356213), (62487, 8322833), (83709, 6212819), (117223, 4436577), (351669, 1478859), (492953, 1055007)]