68970195

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1065

約数の個数: 72

約数和(自身を含む): 143694720

約数和(自身を除く): 74724525

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, 1009, 1085, 1395, 1519, 1953, 2205, 3027, 3255, 4557, 5045, 7063, 7595, 9081, 9765, 13671, 15135, 21189, 22785, 31279, 35315, 45405, 49441, 63567, 68355, 93837, 105945, 148323, 156395, 218953, 247205, 281511, 317835, 444969, 469185, 656859, 741615, 1094765, 1407555, 1532671, 1970577, 2224845, 3284295, 4598013, 7663355, 9852885, 13794039, 22990065, 68970195]

約数ペア:

[(1, 68970195), (3, 22990065), (5, 13794039), (7, 9852885), (9, 7663355), (15, 4598013), (21, 3284295), (31, 2224845), (35, 1970577), (45, 1532671), (49, 1407555), (63, 1094765), (93, 741615), (105, 656859), (147, 469185), (155, 444969), (217, 317835), (245, 281511), (279, 247205), (315, 218953), (441, 156395), (465, 148323), (651, 105945), (735, 93837), (1009, 68355), (1085, 63567), (1395, 49441), (1519, 45405), (1953, 35315), (2205, 31279), (3027, 22785), (3255, 21189), (4557, 15135), (5045, 13671), (7063, 9765), (7595, 9081)]