13238841

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 22192128

約数和(自身を除く): 8953287

約数列:

[1, 3, 7, 11, 21, 33, 77, 223, 231, 257, 669, 771, 1561, 1799, 2453, 2827, 4683, 5397, 7359, 8481, 17171, 19789, 51513, 57311, 59367, 171933, 401177, 630421, 1203531, 1891263, 4412947, 13238841]

約数ペア:

[(1, 13238841), (3, 4412947), (7, 1891263), (11, 1203531), (21, 630421), (33, 401177), (77, 171933), (223, 59367), (231, 57311), (257, 51513), (669, 19789), (771, 17171), (1561, 8481), (1799, 7359), (2453, 5397), (2827, 4683)]