28754745

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 47625600

約数和(自身を除く): 18870855

約数列:

[1, 3, 5, 15, 43, 109, 129, 215, 327, 409, 545, 645, 1227, 1635, 2045, 4687, 6135, 14061, 17587, 23435, 44581, 52761, 70305, 87935, 133743, 222905, 263805, 668715, 1916983, 5750949, 9584915, 28754745]

約数ペア:

[(1, 28754745), (3, 9584915), (5, 5750949), (15, 1916983), (43, 668715), (109, 263805), (129, 222905), (215, 133743), (327, 87935), (409, 70305), (545, 52761), (645, 44581), (1227, 23435), (1635, 17587), (2045, 14061), (4687, 6135)]