159138615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{659}}^1\times {\mathrm{947}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 270293760

約数和(自身を除く): 111155145

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 659, 947, 1977, 2841, 3295, 4735, 9885, 11203, 14205, 16099, 33609, 48297, 56015, 80495, 168045, 241485, 624073, 1872219, 3120365, 9361095, 10609241, 31827723, 53046205, 159138615]

約数ペア:

[(1, 159138615), (3, 53046205), (5, 31827723), (15, 10609241), (17, 9361095), (51, 3120365), (85, 1872219), (255, 624073), (659, 241485), (947, 168045), (1977, 80495), (2841, 56015), (3295, 48297), (4735, 33609), (9885, 16099), (11203, 14205)]