1999974075

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{56377}}^1$

素因数の和:56444

約数の個数: 48

約数和(自身を含む): 3691180416

約数和(自身を除く): 1691206341

約数列:

[1, 3, 5, 11, 15, 25, 33, 43, 55, 75, 129, 165, 215, 275, 473, 645, 825, 1075, 1419, 2365, 3225, 7095, 11825, 35475, 56377, 169131, 281885, 620147, 845655, 1409425, 1860441, 2424211, 3100735, 4228275, 7272633, 9302205, 12121055, 15503675, 26666321, 36363165, 46511025, 60605275, 79998963, 133331605, 181815825, 399994815, 666658025, 1999974075]

約数ペア:

[(1, 1999974075), (3, 666658025), (5, 399994815), (11, 181815825), (15, 133331605), (25, 79998963), (33, 60605275), (43, 46511025), (55, 36363165), (75, 26666321), (129, 15503675), (165, 12121055), (215, 9302205), (275, 7272633), (473, 4228275), (645, 3100735), (825, 2424211), (1075, 1860441), (1419, 1409425), (2365, 845655), (3225, 620147), (7095, 281885), (11825, 169131), (35475, 56377)]