426581421

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{4783}}^1$

素因数の和:4961

約数の個数: 32

約数和(自身を含む): 676036608

約数和(自身を除く): 249455187

約数列:

[1, 3, 7, 21, 31, 93, 137, 217, 411, 651, 959, 2877, 4247, 4783, 12741, 14349, 29729, 33481, 89187, 100443, 148273, 444819, 655271, 1037911, 1965813, 3113733, 4586897, 13760691, 20313401, 60940203, 142193807, 426581421]

約数ペア:

[(1, 426581421), (3, 142193807), (7, 60940203), (21, 20313401), (31, 13760691), (93, 4586897), (137, 3113733), (217, 1965813), (411, 1037911), (651, 655271), (959, 444819), (2877, 148273), (4247, 100443), (4783, 89187), (12741, 33481), (14349, 29729)]