4001949

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 6668480

約数和(自身を除く): 2666531

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 457, 973, 1251, 1371, 2919, 3199, 4113, 8757, 9597, 28791, 63523, 190569, 444661, 571707, 1333983, 4001949]

約数ペア:

[(1, 4001949), (3, 1333983), (7, 571707), (9, 444661), (21, 190569), (63, 63523), (139, 28791), (417, 9597), (457, 8757), (973, 4113), (1251, 3199), (1371, 2919)]