12691995

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 21254400

約数和(自身を除く): 8562405

約数列:

[1, 3, 5, 15, 29, 87, 145, 163, 179, 435, 489, 537, 815, 895, 2445, 2685, 4727, 5191, 14181, 15573, 23635, 25955, 29177, 70905, 77865, 87531, 145885, 437655, 846133, 2538399, 4230665, 12691995]

約数ペア:

[(1, 12691995), (3, 4230665), (5, 2538399), (15, 846133), (29, 437655), (87, 145885), (145, 87531), (163, 77865), (179, 70905), (435, 29177), (489, 25955), (537, 23635), (815, 15573), (895, 14181), (2445, 5191), (2685, 4727)]