28195155

素因数分解:

$3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2861}}^1$

素因数の和:2948

約数の個数: 32

約数和(自身を含む): 50829120

約数和(自身を除く): 22633965

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 135, 219, 365, 657, 1095, 1971, 2861, 3285, 8583, 9855, 14305, 25749, 42915, 77247, 128745, 208853, 386235, 626559, 1044265, 1879677, 3132795, 5639031, 9398385, 28195155]

約数ペア:

[(1, 28195155), (3, 9398385), (5, 5639031), (9, 3132795), (15, 1879677), (27, 1044265), (45, 626559), (73, 386235), (135, 208853), (219, 128745), (365, 77247), (657, 42915), (1095, 25749), (1971, 14305), (2861, 9855), (3285, 8583)]