7872249

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 13353984

約数和(自身を除く): 5481735

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 159, 231, 371, 583, 643, 1113, 1749, 1929, 4081, 4501, 7073, 12243, 13503, 21219, 34079, 49511, 102237, 148533, 238553, 374869, 715659, 1124607, 2624083, 7872249]

約数ペア:

[(1, 7872249), (3, 2624083), (7, 1124607), (11, 715659), (21, 374869), (33, 238553), (53, 148533), (77, 102237), (159, 49511), (231, 34079), (371, 21219), (583, 13503), (643, 12243), (1113, 7073), (1749, 4501), (1929, 4081)]