15122205

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{787}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 30486144

約数和(自身を除く): 15363939

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 61, 63, 105, 183, 305, 315, 427, 549, 787, 915, 1281, 2135, 2361, 2745, 3843, 3935, 5509, 6405, 7083, 11805, 16527, 19215, 27545, 35415, 48007, 49581, 82635, 144021, 240035, 247905, 336049, 432063, 720105, 1008147, 1680245, 2160315, 3024441, 5040735, 15122205]

約数ペア:

[(1, 15122205), (3, 5040735), (5, 3024441), (7, 2160315), (9, 1680245), (15, 1008147), (21, 720105), (35, 432063), (45, 336049), (61, 247905), (63, 240035), (105, 144021), (183, 82635), (305, 49581), (315, 48007), (427, 35415), (549, 27545), (787, 19215), (915, 16527), (1281, 11805), (2135, 7083), (2361, 6405), (2745, 5509), (3843, 3935)]