28242291

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1187}}^1$

素因数の和:1311

約数の個数: 32

約数和(自身を含む): 47443968

約数和(自身を除く): 19201677

約数列:

[1, 3, 7, 11, 21, 33, 77, 103, 231, 309, 721, 1133, 1187, 2163, 3399, 3561, 7931, 8309, 13057, 23793, 24927, 39171, 91399, 122261, 274197, 366783, 855827, 1344871, 2567481, 4034613, 9414097, 28242291]

約数ペア:

[(1, 28242291), (3, 9414097), (7, 4034613), (11, 2567481), (21, 1344871), (33, 855827), (77, 366783), (103, 274197), (231, 122261), (309, 91399), (721, 39171), (1133, 24927), (1187, 23793), (2163, 13057), (3399, 8309), (3561, 7931)]