55438575

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 96422400

約数和(自身を除く): 40983825

約数列:

[1, 3, 5, 15, 25, 29, 71, 75, 87, 145, 213, 355, 359, 435, 725, 1065, 1077, 1775, 1795, 2059, 2175, 5325, 5385, 6177, 8975, 10295, 10411, 25489, 26925, 30885, 31233, 51475, 52055, 76467, 127445, 154425, 156165, 260275, 382335, 637225, 739181, 780825, 1911675, 2217543, 3695905, 11087715, 18479525, 55438575]

約数ペア:

[(1, 55438575), (3, 18479525), (5, 11087715), (15, 3695905), (25, 2217543), (29, 1911675), (71, 780825), (75, 739181), (87, 637225), (145, 382335), (213, 260275), (355, 156165), (359, 154425), (435, 127445), (725, 76467), (1065, 52055), (1077, 51475), (1775, 31233), (1795, 30885), (2059, 26925), (2175, 25489), (5325, 10411), (5385, 10295), (6177, 8975)]