3840921

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1487}}^1$

素因数の和:1541

約数の個数: 24

約数和(自身を含む): 6499584

約数和(自身を除く): 2658663

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 1487, 2583, 4461, 10409, 13383, 31227, 60967, 93681, 182901, 426769, 548703, 1280307, 3840921]

約数ペア:

[(1, 3840921), (3, 1280307), (7, 548703), (9, 426769), (21, 182901), (41, 93681), (63, 60967), (123, 31227), (287, 13383), (369, 10409), (861, 4461), (1487, 2583)]