206877915

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:633

約数の個数: 64

約数和(自身を含む): 383040000

約数和(自身を除く): 176162085

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 83, 111, 135, 185, 249, 333, 415, 499, 555, 747, 999, 1245, 1497, 1665, 2241, 2495, 3071, 3735, 4491, 4995, 7485, 9213, 11205, 13473, 15355, 18463, 22455, 27639, 41417, 46065, 55389, 67365, 82917, 92315, 124251, 138195, 166167, 207085, 276945, 372753, 414585, 498501, 621255, 830835, 1118259, 1532429, 1863765, 2492505, 4597287, 5591295, 7662145, 13791861, 22986435, 41375583, 68959305, 206877915]

約数ペア:

[(1, 206877915), (3, 68959305), (5, 41375583), (9, 22986435), (15, 13791861), (27, 7662145), (37, 5591295), (45, 4597287), (83, 2492505), (111, 1863765), (135, 1532429), (185, 1118259), (249, 830835), (333, 621255), (415, 498501), (499, 414585), (555, 372753), (747, 276945), (999, 207085), (1245, 166167), (1497, 138195), (1665, 124251), (2241, 92315), (2495, 82917), (3071, 67365), (3735, 55389), (4491, 46065), (4995, 41417), (7485, 27639), (9213, 22455), (11205, 18463), (13473, 15355)]