12090315

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2789}}^1$

素因数の和:2831

約数の個数: 24

約数和(自身を含む): 20556720

約数和(自身を除く): 8466405

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 2789, 4335, 8367, 13945, 41835, 47413, 142239, 237065, 711195, 806021, 2418063, 4030105, 12090315]

約数ペア:

[(1, 12090315), (3, 4030105), (5, 2418063), (15, 806021), (17, 711195), (51, 237065), (85, 142239), (255, 47413), (289, 41835), (867, 13945), (1445, 8367), (2789, 4335)]