668879289

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{15493}}^1$

素因数の和:15559

約数の個数: 40

約数和(自身を含む): 1102367112

約数和(自身を除く): 433487823

約数列:

[1, 3, 9, 13, 27, 39, 41, 81, 117, 123, 351, 369, 533, 1053, 1107, 1599, 3321, 4797, 14391, 15493, 43173, 46479, 139437, 201409, 418311, 604227, 635213, 1254933, 1812681, 1905639, 5438043, 5716917, 8257769, 16314129, 17150751, 24773307, 51452253, 74319921, 222959763, 668879289]

約数ペア:

[(1, 668879289), (3, 222959763), (9, 74319921), (13, 51452253), (27, 24773307), (39, 17150751), (41, 16314129), (81, 8257769), (117, 5716917), (123, 5438043), (351, 1905639), (369, 1812681), (533, 1254933), (1053, 635213), (1107, 604227), (1599, 418311), (3321, 201409), (4797, 139437), (14391, 46479), (15493, 43173)]