221539197

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{1933}}^1$

素因数の和:2121

約数の個数: 32

約数和(自身を含む): 338651136

約数和(自身を除く): 117111939

約数列:

[1, 3, 11, 23, 33, 69, 151, 253, 453, 759, 1661, 1933, 3473, 4983, 5799, 10419, 21263, 38203, 44459, 63789, 114609, 133377, 291883, 489049, 875649, 1467147, 3210713, 6713309, 9632139, 20139927, 73846399, 221539197]

約数ペア:

[(1, 221539197), (3, 73846399), (11, 20139927), (23, 9632139), (33, 6713309), (69, 3210713), (151, 1467147), (253, 875649), (453, 489049), (759, 291883), (1661, 133377), (1933, 114609), (3473, 63789), (4983, 44459), (5799, 38203), (10419, 21263)]