31988607

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 51437568

約数和(自身を除く): 19448961

約数列:

[1, 3, 7, 21, 23, 69, 103, 161, 309, 483, 643, 721, 1929, 2163, 2369, 4501, 7107, 13503, 14789, 16583, 44367, 49749, 66229, 103523, 198687, 310569, 463603, 1390809, 1523267, 4569801, 10662869, 31988607]

約数ペア:

[(1, 31988607), (3, 10662869), (7, 4569801), (21, 1523267), (23, 1390809), (69, 463603), (103, 310569), (161, 198687), (309, 103523), (483, 66229), (643, 49749), (721, 44367), (1929, 16583), (2163, 14789), (2369, 13503), (4501, 7107)]