64618449

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2281}}^1$

素因数の和:2381

約数の個数: 32

約数和(自身を含む): 105154560

約数和(自身を除く): 40536111

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 2281, 4047, 6843, 9443, 15967, 28329, 43339, 47901, 130017, 161951, 303373, 485853, 910119, 1133657, 3077069, 3400971, 9231207, 21539483, 64618449]

約数ペア:

[(1, 64618449), (3, 21539483), (7, 9231207), (19, 3400971), (21, 3077069), (57, 1133657), (71, 910119), (133, 485853), (213, 303373), (399, 161951), (497, 130017), (1349, 47901), (1491, 43339), (2281, 28329), (4047, 15967), (6843, 9443)]