64117257

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{1619}}^1$

素因数の和:1972

約数の個数: 16

約数和(自身を含む): 87816960

約数和(自身を除く): 23699703

約数列:

[1, 3, 43, 129, 307, 921, 1619, 4857, 13201, 39603, 69617, 208851, 497033, 1491099, 21372419, 64117257]

約数ペア:

[(1, 64117257), (3, 21372419), (43, 1491099), (129, 497033), (307, 208851), (921, 69617), (1619, 39603), (4857, 13201)]