668576775

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{317}}^1\times {\mathrm{461}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 1129490208

約数和(自身を除く): 460913433

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 317, 461, 915, 951, 1383, 1525, 1585, 2305, 4575, 4755, 6915, 7925, 11525, 19337, 23775, 28121, 34575, 58011, 84363, 96685, 140605, 146137, 290055, 421815, 438411, 483425, 703025, 730685, 1450275, 2109075, 2192055, 3653425, 8914357, 10960275, 26743071, 44571785, 133715355, 222858925, 668576775]

約数ペア:

[(1, 668576775), (3, 222858925), (5, 133715355), (15, 44571785), (25, 26743071), (61, 10960275), (75, 8914357), (183, 3653425), (305, 2192055), (317, 2109075), (461, 1450275), (915, 730685), (951, 703025), (1383, 483425), (1525, 438411), (1585, 421815), (2305, 290055), (4575, 146137), (4755, 140605), (6915, 96685), (7925, 84363), (11525, 58011), (19337, 34575), (23775, 28121)]