206475345

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{479}}^1$

素因数の和:627

約数の個数: 64

約数和(自身を含む): 383385600

約数和(自身を除く): 176910255

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 103, 135, 155, 279, 309, 465, 479, 515, 837, 927, 1395, 1437, 1545, 2395, 2781, 3193, 4185, 4311, 4635, 7185, 9579, 12933, 13905, 14849, 15965, 21555, 28737, 44547, 47895, 49337, 64665, 74245, 86211, 133641, 143685, 148011, 222735, 246685, 400923, 431055, 444033, 668205, 740055, 1332099, 1529447, 2004615, 2220165, 4588341, 6660495, 7647235, 13765023, 22941705, 41295069, 68825115, 206475345]

約数ペア:

[(1, 206475345), (3, 68825115), (5, 41295069), (9, 22941705), (15, 13765023), (27, 7647235), (31, 6660495), (45, 4588341), (93, 2220165), (103, 2004615), (135, 1529447), (155, 1332099), (279, 740055), (309, 668205), (465, 444033), (479, 431055), (515, 400923), (837, 246685), (927, 222735), (1395, 148011), (1437, 143685), (1545, 133641), (2395, 86211), (2781, 74245), (3193, 64665), (4185, 49337), (4311, 47895), (4635, 44547), (7185, 28737), (9579, 21555), (12933, 15965), (13905, 14849)]