68378037

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{149}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 115785600

約数和(自身を除く): 47407563

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 149, 273, 287, 447, 533, 861, 1043, 1599, 1681, 1937, 3129, 3731, 5043, 5811, 6109, 11193, 11767, 13559, 18327, 21853, 35301, 40677, 42763, 65559, 79417, 128289, 152971, 238251, 250469, 458913, 555919, 751407, 1667757, 1753283, 3256097, 5259849, 9768291, 22792679, 68378037]

約数ペア:

[(1, 68378037), (3, 22792679), (7, 9768291), (13, 5259849), (21, 3256097), (39, 1753283), (41, 1667757), (91, 751407), (123, 555919), (149, 458913), (273, 250469), (287, 238251), (447, 152971), (533, 128289), (861, 79417), (1043, 65559), (1599, 42763), (1681, 40677), (1937, 35301), (3129, 21853), (3731, 18327), (5043, 13559), (5811, 11767), (6109, 11193)]