15728505

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1021}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 27471360

約数和(自身を除く): 11742855

約数列:

[1, 3, 5, 13, 15, 39, 65, 79, 195, 237, 395, 1021, 1027, 1185, 3063, 3081, 5105, 5135, 13273, 15315, 15405, 39819, 66365, 80659, 199095, 241977, 403295, 1048567, 1209885, 3145701, 5242835, 15728505]

約数ペア:

[(1, 15728505), (3, 5242835), (5, 3145701), (13, 1209885), (15, 1048567), (39, 403295), (65, 241977), (79, 199095), (195, 80659), (237, 66365), (395, 39819), (1021, 15405), (1027, 15315), (1185, 13273), (3063, 5135), (3081, 5105)]