278314227

素因数分解:

$3^2\times {\mathrm{263}}^1\times {\mathrm{307}}^1\times {\mathrm{383}}^1$

素因数の和:959

約数の個数: 24

約数和(自身を含む): 405909504

約数和(自身を除く): 127595277

約数列:

[1, 3, 9, 263, 307, 383, 789, 921, 1149, 2367, 2763, 3447, 80741, 100729, 117581, 242223, 302187, 352743, 726669, 906561, 1058229, 30923803, 92771409, 278314227]

約数ペア:

[(1, 278314227), (3, 92771409), (9, 30923803), (263, 1058229), (307, 906561), (383, 726669), (789, 352743), (921, 302187), (1149, 242223), (2367, 117581), (2763, 100729), (3447, 80741)]