2221401

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 3727360

約数和(自身を除く): 1505959

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 103, 237, 273, 309, 553, 721, 1027, 1339, 1659, 2163, 3081, 4017, 7189, 8137, 9373, 21567, 24411, 28119, 56959, 105781, 170877, 317343, 740467, 2221401]

約数ペア:

[(1, 2221401), (3, 740467), (7, 317343), (13, 170877), (21, 105781), (39, 56959), (79, 28119), (91, 24411), (103, 21567), (237, 9373), (273, 8137), (309, 7189), (553, 4017), (721, 3081), (1027, 2163), (1339, 1659)]