39928575

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 69995520

約数和(自身を除く): 30066945

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 79, 115, 237, 293, 345, 395, 575, 879, 1185, 1465, 1725, 1817, 1975, 4395, 5451, 5925, 6739, 7325, 9085, 20217, 21975, 23147, 27255, 33695, 45425, 69441, 101085, 115735, 136275, 168475, 347205, 505425, 532381, 578675, 1597143, 1736025, 2661905, 7985715, 13309525, 39928575]

約数ペア:

[(1, 39928575), (3, 13309525), (5, 7985715), (15, 2661905), (23, 1736025), (25, 1597143), (69, 578675), (75, 532381), (79, 505425), (115, 347205), (237, 168475), (293, 136275), (345, 115735), (395, 101085), (575, 69441), (879, 45425), (1185, 33695), (1465, 27255), (1725, 23147), (1817, 21975), (1975, 20217), (4395, 9085), (5451, 7325), (5925, 6739)]