56728737

素因数分解:

$3^2\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 94057600

約数和(自身を除く): 37328863

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 151, 169, 171, 247, 453, 507, 741, 1359, 1521, 1963, 2197, 2223, 2869, 3211, 5889, 6591, 8607, 9633, 17667, 19773, 25519, 25821, 28899, 37297, 41743, 76557, 111891, 125229, 229671, 331747, 335673, 375687, 484861, 995241, 1454583, 2985723, 4363749, 6303193, 18909579, 56728737]

約数ペア:

[(1, 56728737), (3, 18909579), (9, 6303193), (13, 4363749), (19, 2985723), (39, 1454583), (57, 995241), (117, 484861), (151, 375687), (169, 335673), (171, 331747), (247, 229671), (453, 125229), (507, 111891), (741, 76557), (1359, 41743), (1521, 37297), (1963, 28899), (2197, 25821), (2223, 25519), (2869, 19773), (3211, 17667), (5889, 9633), (6591, 8607)]