13689507

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 32

約数和(自身を含む): 20715520

約数和(自身を除く): 7026013

約数列:

[1, 3, 13, 31, 39, 67, 93, 169, 201, 403, 507, 871, 1209, 2077, 2197, 2613, 5239, 6231, 6591, 11323, 15717, 27001, 33969, 68107, 81003, 147199, 204321, 351013, 441597, 1053039, 4563169, 13689507]

約数ペア:

[(1, 13689507), (3, 4563169), (13, 1053039), (31, 441597), (39, 351013), (67, 204321), (93, 147199), (169, 81003), (201, 68107), (403, 33969), (507, 27001), (871, 15717), (1209, 11323), (2077, 6591), (2197, 6231), (2613, 5239)]