15697787781

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1\times {\mathrm{9829}}^1$

素因数の和:11197

約数の個数: 32

約数和(自身を含む): 23287505920

約数和(自身を除く): 7589718139

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 1321, 3963, 9829, 17173, 29487, 40951, 51519, 122853, 127777, 304699, 383331, 532363, 914097, 1597089, 3961087, 11883261, 12984109, 38952327, 168793417, 402507379, 506380251, 1207522137, 5232595927, 15697787781]

約数ペア:

[(1, 15697787781), (3, 5232595927), (13, 1207522137), (31, 506380251), (39, 402507379), (93, 168793417), (403, 38952327), (1209, 12984109), (1321, 11883261), (3963, 3961087), (9829, 1597089), (17173, 914097), (29487, 532363), (40951, 383331), (51519, 304699), (122853, 127777)]