68631795

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21481}}^1$

素因数の和:21563

約数の個数: 24

約数和(自身を含む): 120642912

約数和(自身を除く): 52011117

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 21481, 64443, 107405, 193329, 322215, 966645, 1525151, 4575453, 7625755, 13726359, 22877265, 68631795]

約数ペア:

[(1, 68631795), (3, 22877265), (5, 13726359), (9, 7625755), (15, 4575453), (45, 1525151), (71, 966645), (213, 322215), (355, 193329), (639, 107405), (1065, 64443), (3195, 21481)]