1330786821

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1997}}^1\times {\mathrm{2441}}^1$

素因数の和:4461

約数の個数: 32

約数和(自身を含む): 2185843968

約数和(自身を除く): 855057147

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1997, 2441, 5991, 7323, 13979, 17087, 25961, 31733, 41937, 51261, 77883, 95199, 181727, 222131, 545181, 666393, 4874677, 14624031, 34122739, 63370801, 102368217, 190112403, 443595607, 1330786821]

約数ペア:

[(1, 1330786821), (3, 443595607), (7, 190112403), (13, 102368217), (21, 63370801), (39, 34122739), (91, 14624031), (273, 4874677), (1997, 666393), (2441, 545181), (5991, 222131), (7323, 181727), (13979, 95199), (17087, 77883), (25961, 51261), (31733, 41937)]