64894869

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12899}}^1$

素因数の和:12961

約数の個数: 24

約数和(自身を含む): 103303200

約数和(自身を除く): 38408331

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 12899, 38697, 116091, 167687, 503061, 554657, 1509183, 1663971, 4991913, 7210541, 21631623, 64894869]

約数ペア:

[(1, 64894869), (3, 21631623), (9, 7210541), (13, 4991913), (39, 1663971), (43, 1509183), (117, 554657), (129, 503061), (387, 167687), (559, 116091), (1677, 38697), (5031, 12899)]