80409765

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 130977792

約数和(自身を除く): 50568027

約数列:

[1, 3, 5, 15, 131, 151, 271, 393, 453, 655, 755, 813, 1355, 1965, 2265, 4065, 19781, 35501, 40921, 59343, 98905, 106503, 122763, 177505, 204605, 296715, 532515, 613815, 5360651, 16081953, 26803255, 80409765]

約数ペア:

[(1, 80409765), (3, 26803255), (5, 16081953), (15, 5360651), (131, 613815), (151, 532515), (271, 296715), (393, 204605), (453, 177505), (655, 122763), (755, 106503), (813, 98905), (1355, 59343), (1965, 40921), (2265, 35501), (4065, 19781)]