161808417

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 248609088

約数和(自身を除く): 86800671

約数列:

[1, 3, 9, 53, 61, 67, 83, 159, 183, 201, 249, 477, 549, 603, 747, 3233, 3551, 4087, 4399, 5063, 5561, 9699, 10653, 12261, 13197, 15189, 16683, 29097, 31959, 36783, 39591, 45567, 50049, 216611, 268339, 294733, 339221, 649833, 805017, 884199, 1017663, 1949499, 2415051, 2652597, 3052989, 17978713, 53936139, 161808417]

約数ペア:

[(1, 161808417), (3, 53936139), (9, 17978713), (53, 3052989), (61, 2652597), (67, 2415051), (83, 1949499), (159, 1017663), (183, 884199), (201, 805017), (249, 649833), (477, 339221), (549, 294733), (603, 268339), (747, 216611), (3233, 50049), (3551, 45567), (4087, 39591), (4399, 36783), (5063, 31959), (5561, 29097), (9699, 16683), (10653, 15189), (12261, 13197)]