78408975

素因数分解:

$3^1\times 5^2\times {\mathrm{653}}^1\times {\mathrm{1601}}^1$

素因数の和:2267

約数の個数: 24

約数和(自身を含む): 129915792

約数和(自身を除く): 51506817

約数列:

[1, 3, 5, 15, 25, 75, 653, 1601, 1959, 3265, 4803, 8005, 9795, 16325, 24015, 40025, 48975, 120075, 1045453, 3136359, 5227265, 15681795, 26136325, 78408975]

約数ペア:

[(1, 78408975), (3, 26136325), (5, 15681795), (15, 5227265), (25, 3136359), (75, 1045453), (653, 120075), (1601, 48975), (1959, 40025), (3265, 24015), (4803, 16325), (8005, 9795)]