220308921

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{18119}}^1$

素因数の和:18325

約数の個数: 24

約数和(自身を含む): 365589120

約数和(自身を除く): 145280199

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 1351, 1737, 4053, 12159, 18119, 54357, 126833, 163071, 380499, 1141497, 3496967, 10490901, 24478769, 31472703, 73436307, 220308921]

約数ペア:

[(1, 220308921), (3, 73436307), (7, 31472703), (9, 24478769), (21, 10490901), (63, 3496967), (193, 1141497), (579, 380499), (1351, 163071), (1737, 126833), (4053, 54357), (12159, 18119)]