307890681

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1\times {\mathrm{521}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 476264448

約数和(自身を除く): 168373767

約数列:

[1, 3, 7, 21, 107, 263, 321, 521, 749, 789, 1563, 1841, 2247, 3647, 5523, 10941, 28141, 55747, 84423, 137023, 167241, 196987, 390229, 411069, 590961, 959161, 1170687, 2877483, 14661461, 43984383, 102630227, 307890681]

約数ペア:

[(1, 307890681), (3, 102630227), (7, 43984383), (21, 14661461), (107, 2877483), (263, 1170687), (321, 959161), (521, 590961), (749, 411069), (789, 390229), (1563, 196987), (1841, 167241), (2247, 137023), (3647, 84423), (5523, 55747), (10941, 28141)]