128514825

素因数分解:

$3^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{2707}}^1$

素因数の和:2934

約数の個数: 36

約数和(自身を含む): 231360688

約数和(自身を除く): 102845863

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 211, 225, 633, 1055, 1899, 2707, 3165, 5275, 8121, 9495, 13535, 15825, 24363, 40605, 47475, 67675, 121815, 203025, 571177, 609075, 1713531, 2855885, 5140593, 8567655, 14279425, 25702965, 42838275, 128514825]

約数ペア:

[(1, 128514825), (3, 42838275), (5, 25702965), (9, 14279425), (15, 8567655), (25, 5140593), (45, 2855885), (75, 1713531), (211, 609075), (225, 571177), (633, 203025), (1055, 121815), (1899, 67675), (2707, 47475), (3165, 40605), (5275, 24363), (8121, 15825), (9495, 13535)]