68355

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{31}}^1$

素因数の和:56

約数の個数: 36

約数和(自身を含む): 142272

約数和(自身を除く): 73917

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 49, 63, 93, 105, 147, 155, 217, 245, 279, 315, 441, 465, 651, 735, 1085, 1395, 1519, 1953, 2205, 3255, 4557, 7595, 9765, 13671, 22785, 68355]

約数ペア:

[(1, 68355), (3, 22785), (5, 13671), (7, 9765), (9, 7595), (15, 4557), (21, 3255), (31, 2205), (35, 1953), (45, 1519), (49, 1395), (63, 1085), (93, 735), (105, 651), (147, 465), (155, 441), (217, 315), (245, 279)]