81920377

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 105421824

約数和(自身を除く): 23501447

約数列:

[1, 7, 11, 61, 77, 107, 163, 427, 671, 749, 1141, 1177, 1793, 4697, 6527, 8239, 9943, 12551, 17441, 45689, 69601, 71797, 109373, 122087, 191851, 502579, 765611, 1063901, 1342957, 7447307, 11702911, 81920377]

約数ペア:

[(1, 81920377), (7, 11702911), (11, 7447307), (61, 1342957), (77, 1063901), (107, 765611), (163, 502579), (427, 191851), (671, 122087), (749, 109373), (1141, 71797), (1177, 69601), (1793, 45689), (4697, 17441), (6527, 12551), (8239, 9943)]