12621795

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 21607680

約数和(自身を除く): 8985885

約数列:

[1, 3, 5, 15, 19, 57, 67, 95, 201, 285, 335, 661, 1005, 1273, 1983, 3305, 3819, 6365, 9915, 12559, 19095, 37677, 44287, 62795, 132861, 188385, 221435, 664305, 841453, 2524359, 4207265, 12621795]

約数ペア:

[(1, 12621795), (3, 4207265), (5, 2524359), (15, 841453), (19, 664305), (57, 221435), (67, 188385), (95, 132861), (201, 62795), (285, 44287), (335, 37677), (661, 19095), (1005, 12559), (1273, 9915), (1983, 6365), (3305, 3819)]