1217385

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2081}}^1$

素因数の和:2105

約数の個数: 24

約数和(自身を含む): 2273544

約数和(自身を除く): 1056159

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 2081, 6243, 10405, 18729, 27053, 31215, 81159, 93645, 135265, 243477, 405795, 1217385]

約数ペア:

[(1, 1217385), (3, 405795), (5, 243477), (9, 135265), (13, 93645), (15, 81159), (39, 31215), (45, 27053), (65, 18729), (117, 10405), (195, 6243), (585, 2081)]