210344775

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2096

約数の個数: 48

約数和(自身を含む): 369024000

約数和(自身を除く): 158679225

約数列:

[1, 3, 5, 15, 23, 25, 61, 69, 75, 115, 183, 305, 345, 575, 915, 1403, 1525, 1725, 1999, 4209, 4575, 5997, 7015, 9995, 21045, 29985, 35075, 45977, 49975, 105225, 121939, 137931, 149925, 229885, 365817, 609695, 689655, 1149425, 1829085, 2804597, 3048475, 3448275, 8413791, 9145425, 14022985, 42068955, 70114925, 210344775]

約数ペア:

[(1, 210344775), (3, 70114925), (5, 42068955), (15, 14022985), (23, 9145425), (25, 8413791), (61, 3448275), (69, 3048475), (75, 2804597), (115, 1829085), (183, 1149425), (305, 689655), (345, 609695), (575, 365817), (915, 229885), (1403, 149925), (1525, 137931), (1725, 121939), (1999, 105225), (4209, 49975), (4575, 45977), (5997, 35075), (7015, 29985), (9995, 21045)]