215666493

素因数分解:

$3^1\times 7^2\times {\mathrm{607}}^1\times {\mathrm{2417}}^1$

素因数の和:3041

約数の個数: 24

約数和(自身を含む): 335192832

約数和(自身を除く): 119526339

約数列:

[1, 3, 7, 21, 49, 147, 607, 1821, 2417, 4249, 7251, 12747, 16919, 29743, 50757, 89229, 118433, 355299, 1467119, 4401357, 10269833, 30809499, 71888831, 215666493]

約数ペア:

[(1, 215666493), (3, 71888831), (7, 30809499), (21, 10269833), (49, 4401357), (147, 1467119), (607, 355299), (1821, 118433), (2417, 89229), (4249, 50757), (7251, 29743), (12747, 16919)]