890145

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 1564992

約数和(自身を除く): 674847

約数列:

[1, 3, 5, 9, 15, 45, 131, 151, 393, 453, 655, 755, 1179, 1359, 1965, 2265, 5895, 6795, 19781, 59343, 98905, 178029, 296715, 890145]

約数ペア:

[(1, 890145), (3, 296715), (5, 178029), (9, 98905), (15, 59343), (45, 19781), (131, 6795), (151, 5895), (393, 2265), (453, 1965), (655, 1359), (755, 1179)]