13259967

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 21504000

約数和(自身を除く): 8244033

約数列:

[1, 3, 7, 19, 21, 57, 133, 167, 199, 399, 501, 597, 1169, 1393, 3173, 3507, 3781, 4179, 9519, 11343, 22211, 26467, 33233, 66633, 79401, 99699, 232631, 631427, 697893, 1894281, 4419989, 13259967]

約数ペア:

[(1, 13259967), (3, 4419989), (7, 1894281), (19, 697893), (21, 631427), (57, 232631), (133, 99699), (167, 79401), (199, 66633), (399, 33233), (501, 26467), (597, 22211), (1169, 11343), (1393, 9519), (3173, 4179), (3507, 3781)]