905447361

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{41983}}^1$

素因数の和:42085

約数の個数: 32

約数和(自身を含む): 1504706560

約数和(自身を除く): 599259199

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 237, 273, 553, 1027, 1659, 3081, 7189, 21567, 41983, 125949, 293881, 545779, 881643, 1637337, 3316657, 3820453, 9949971, 11461359, 23216599, 43116541, 69649797, 129349623, 301815787, 905447361]

約数ペア:

[(1, 905447361), (3, 301815787), (7, 129349623), (13, 69649797), (21, 43116541), (39, 23216599), (79, 11461359), (91, 9949971), (237, 3820453), (273, 3316657), (553, 1637337), (1027, 881643), (1659, 545779), (3081, 293881), (7189, 125949), (21567, 41983)]