1281570237

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{743}}^1\times {\mathrm{4457}}^1$

素因数の和:5249

約数の個数: 24

約数和(自身を含む): 1897182144

約数和(自身を除く): 615611907

約数列:

[1, 3, 9, 43, 129, 387, 743, 2229, 4457, 6687, 13371, 31949, 40113, 95847, 191651, 287541, 574953, 1724859, 3311551, 9934653, 29803959, 142396693, 427190079, 1281570237]

約数ペア:

[(1, 1281570237), (3, 427190079), (9, 142396693), (43, 29803959), (129, 9934653), (387, 3311551), (743, 1724859), (2229, 574953), (4457, 287541), (6687, 191651), (13371, 95847), (31949, 40113)]