2569905

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 5031936

約数和(自身を除く): 2462031

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 191, 195, 207, 299, 345, 573, 585, 897, 955, 1035, 1495, 1719, 2483, 2691, 2865, 4393, 4485, 7449, 8595, 12415, 13179, 13455, 21965, 22347, 37245, 39537, 57109, 65895, 111735, 171327, 197685, 285545, 513981, 856635, 2569905]

約数ペア:

[(1, 2569905), (3, 856635), (5, 513981), (9, 285545), (13, 197685), (15, 171327), (23, 111735), (39, 65895), (45, 57109), (65, 39537), (69, 37245), (115, 22347), (117, 21965), (191, 13455), (195, 13179), (207, 12415), (299, 8595), (345, 7449), (573, 4485), (585, 4393), (897, 2865), (955, 2691), (1035, 2483), (1495, 1719)]