210843921

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{397}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 302607360

約数和(自身を除く): 91763439

約数列:

[1, 3, 23, 43, 69, 129, 179, 397, 537, 989, 1191, 2967, 4117, 7697, 9131, 12351, 17071, 23091, 27393, 51213, 71063, 177031, 213189, 392633, 531093, 1177899, 1634449, 3055709, 4903347, 9167127, 70281307, 210843921]

約数ペア:

[(1, 210843921), (3, 70281307), (23, 9167127), (43, 4903347), (69, 3055709), (129, 1634449), (179, 1177899), (397, 531093), (537, 392633), (989, 213189), (1191, 177031), (2967, 71063), (4117, 51213), (7697, 27393), (9131, 23091), (12351, 17071)]