210913863

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 300982272

約数和(自身を除く): 90068409

約数列:

[1, 3, 31, 47, 73, 93, 141, 219, 661, 1457, 1983, 2263, 3431, 4371, 6789, 10293, 20491, 31067, 48253, 61473, 93201, 106361, 144759, 319083, 963077, 1495843, 2267891, 2889231, 4487529, 6803673, 70304621, 210913863]

約数ペア:

[(1, 210913863), (3, 70304621), (31, 6803673), (47, 4487529), (73, 2889231), (93, 2267891), (141, 1495843), (219, 963077), (661, 319083), (1457, 144759), (1983, 106361), (2263, 93201), (3431, 61473), (4371, 48253), (6789, 31067), (10293, 20491)]