28995915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{617}}^1$

素因数の和:879

約数の個数: 32

約数和(自身を含む): 50250816

約数和(自身を除く): 21254901

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 241, 617, 723, 1205, 1851, 3085, 3133, 3615, 8021, 9255, 9399, 15665, 24063, 40105, 46995, 120315, 148697, 446091, 743485, 1933061, 2230455, 5799183, 9665305, 28995915]

約数ペア:

[(1, 28995915), (3, 9665305), (5, 5799183), (13, 2230455), (15, 1933061), (39, 743485), (65, 446091), (195, 148697), (241, 120315), (617, 46995), (723, 40105), (1205, 24063), (1851, 15665), (3085, 9399), (3133, 9255), (3615, 8021)]