1353181921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{345817}}^1$

素因数の和:345880

約数の個数: 16

約数和(自身を含む): 1704191104

約数和(自身を除く): 351009183

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 345817, 2420719, 4495621, 14870131, 31469347, 104090917, 193311703, 1353181921]

約数ペア:

[(1, 1353181921), (7, 193311703), (13, 104090917), (43, 31469347), (91, 14870131), (301, 4495621), (559, 2420719), (3913, 345817)]