19930827

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 31606272

約数和(自身を除く): 11675445

約数列:

[1, 3, 7, 21, 37, 111, 113, 227, 259, 339, 681, 777, 791, 1589, 2373, 4181, 4767, 8399, 12543, 25197, 25651, 29267, 58793, 76953, 87801, 176379, 179557, 538671, 949087, 2847261, 6643609, 19930827]

約数ペア:

[(1, 19930827), (3, 6643609), (7, 2847261), (21, 949087), (37, 538671), (111, 179557), (113, 176379), (227, 87801), (259, 76953), (339, 58793), (681, 29267), (777, 25651), (791, 25197), (1589, 12543), (2373, 8399), (4181, 4767)]