2105415

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 4062240

約数和(自身を除く): 1956825

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 59, 61, 65, 117, 177, 183, 195, 295, 305, 531, 549, 585, 767, 793, 885, 915, 2301, 2379, 2655, 2745, 3599, 3835, 3965, 6903, 7137, 10797, 11505, 11895, 17995, 32391, 34515, 35685, 46787, 53985, 140361, 161955, 233935, 421083, 701805, 2105415]

約数ペア:

[(1, 2105415), (3, 701805), (5, 421083), (9, 233935), (13, 161955), (15, 140361), (39, 53985), (45, 46787), (59, 35685), (61, 34515), (65, 32391), (117, 17995), (177, 11895), (183, 11505), (195, 10797), (295, 7137), (305, 6903), (531, 3965), (549, 3835), (585, 3599), (767, 2745), (793, 2655), (885, 2379), (915, 2301)]