15693993

素因数分解:

$3^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:419

約数の個数: 40

約数和(自身を含む): 27181440

約数和(自身を除く): 11487447

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 89, 189, 267, 311, 567, 623, 801, 933, 1869, 2177, 2403, 2799, 5607, 6531, 7209, 8397, 16821, 19593, 25191, 27679, 50463, 58779, 83037, 176337, 193753, 249111, 581259, 747333, 1743777, 2241999, 5231331, 15693993]

約数ペア:

[(1, 15693993), (3, 5231331), (7, 2241999), (9, 1743777), (21, 747333), (27, 581259), (63, 249111), (81, 193753), (89, 176337), (189, 83037), (267, 58779), (311, 50463), (567, 27679), (623, 25191), (801, 19593), (933, 16821), (1869, 8397), (2177, 7209), (2403, 6531), (2799, 5607)]