12465405

素因数分解:

$3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{631}}^1$

素因数の和:1081

約数の個数: 24

約数和(自身を含む): 21690240

約数和(自身を除く): 9224835

約数列:

[1, 3, 5, 9, 15, 45, 439, 631, 1317, 1893, 2195, 3155, 3951, 5679, 6585, 9465, 19755, 28395, 277009, 831027, 1385045, 2493081, 4155135, 12465405]

約数ペア:

[(1, 12465405), (3, 4155135), (5, 2493081), (9, 1385045), (15, 831027), (45, 277009), (439, 28395), (631, 19755), (1317, 9465), (1893, 6585), (2195, 5679), (3155, 3951)]