7561905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 13878720

約数和(自身を除く): 6316815

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 157, 169, 195, 247, 285, 471, 507, 741, 785, 845, 1235, 2041, 2355, 2535, 2983, 3211, 3705, 6123, 8949, 9633, 10205, 14915, 16055, 26533, 30615, 38779, 44745, 48165, 79599, 116337, 132665, 193895, 397995, 504127, 581685, 1512381, 2520635, 7561905]

約数ペア:

[(1, 7561905), (3, 2520635), (5, 1512381), (13, 581685), (15, 504127), (19, 397995), (39, 193895), (57, 132665), (65, 116337), (95, 79599), (157, 48165), (169, 44745), (195, 38779), (247, 30615), (285, 26533), (471, 16055), (507, 14915), (741, 10205), (785, 9633), (845, 8949), (1235, 6123), (2041, 3705), (2355, 3211), (2535, 2983)]