1778906787

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{84121}}^1$

素因数の和:84203

約数の個数: 32

約数和(自身を含む): 2907256320

約数和(自身を除く): 1128349533

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 1007, 1113, 3021, 7049, 21147, 84121, 252363, 588847, 1598299, 1766541, 4458413, 4794897, 11188093, 13375239, 31208891, 33564279, 84709847, 93626673, 254129541, 592968929, 1778906787]

約数ペア:

[(1, 1778906787), (3, 592968929), (7, 254129541), (19, 93626673), (21, 84709847), (53, 33564279), (57, 31208891), (133, 13375239), (159, 11188093), (371, 4794897), (399, 4458413), (1007, 1766541), (1113, 1598299), (3021, 588847), (7049, 252363), (21147, 84121)]