489693015

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{337}}^1\times {\mathrm{659}}^1$

素因数の和:1021

約数の個数: 72

約数和(自身を含む): 991813680

約数和(自身を除く): 502120665

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 337, 441, 659, 735, 1011, 1685, 1977, 2205, 2359, 3033, 3295, 4613, 5055, 5931, 7077, 9885, 11795, 13839, 15165, 16513, 21231, 23065, 29655, 32291, 35385, 41517, 49539, 69195, 82565, 96873, 106155, 148617, 161455, 207585, 222083, 247695, 290619, 484365, 666249, 743085, 1110415, 1453095, 1554581, 1998747, 3331245, 4663743, 7772905, 9993735, 10882067, 13991229, 23318715, 32646201, 54410335, 69956145, 97938603, 163231005, 489693015]

約数ペア:

[(1, 489693015), (3, 163231005), (5, 97938603), (7, 69956145), (9, 54410335), (15, 32646201), (21, 23318715), (35, 13991229), (45, 10882067), (49, 9993735), (63, 7772905), (105, 4663743), (147, 3331245), (245, 1998747), (315, 1554581), (337, 1453095), (441, 1110415), (659, 743085), (735, 666249), (1011, 484365), (1685, 290619), (1977, 247695), (2205, 222083), (2359, 207585), (3033, 161455), (3295, 148617), (4613, 106155), (5055, 96873), (5931, 82565), (7077, 69195), (9885, 49539), (11795, 41517), (13839, 35385), (15165, 32291), (16513, 29655), (21231, 23065)]