278045235

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{1031}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 520648128

約数和(自身を除く): 242602893

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 461, 585, 1031, 1383, 2305, 3093, 4149, 5155, 5993, 6915, 9279, 13403, 15465, 17979, 20745, 29965, 40209, 46395, 53937, 67015, 89895, 120627, 201045, 269685, 475291, 603135, 1425873, 2376455, 4277619, 6178783, 7129365, 18536349, 21388095, 30893915, 55609047, 92681745, 278045235]

約数ペア:

[(1, 278045235), (3, 92681745), (5, 55609047), (9, 30893915), (13, 21388095), (15, 18536349), (39, 7129365), (45, 6178783), (65, 4277619), (117, 2376455), (195, 1425873), (461, 603135), (585, 475291), (1031, 269685), (1383, 201045), (2305, 120627), (3093, 89895), (4149, 67015), (5155, 53937), (5993, 46395), (6915, 40209), (9279, 29965), (13403, 20745), (15465, 17979)]