81081399

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2111}}^1$

素因数の和:2211

約数の個数: 32

約数和(自身を含む): 129761280

約数和(自身を除く): 48679881

約数列:

[1, 3, 7, 21, 31, 59, 93, 177, 217, 413, 651, 1239, 1829, 2111, 5487, 6333, 12803, 14777, 38409, 44331, 65441, 124549, 196323, 373647, 458087, 871843, 1374261, 2615529, 3861019, 11583057, 27027133, 81081399]

約数ペア:

[(1, 81081399), (3, 27027133), (7, 11583057), (21, 3861019), (31, 2615529), (59, 1374261), (93, 871843), (177, 458087), (217, 373647), (413, 196323), (651, 124549), (1239, 65441), (1829, 44331), (2111, 38409), (5487, 14777), (6333, 12803)]