128469825

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{51907}}^1$

素因数の和:51934

約数の個数: 36

約数和(自身を含む): 251027088

約数和(自身を除く): 122557263

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 51907, 155721, 259535, 467163, 570977, 778605, 1297675, 1712931, 2335815, 2854885, 3893025, 5138793, 8564655, 11679075, 14274425, 25693965, 42823275, 128469825]

約数ペア:

[(1, 128469825), (3, 42823275), (5, 25693965), (9, 14274425), (11, 11679075), (15, 8564655), (25, 5138793), (33, 3893025), (45, 2854885), (55, 2335815), (75, 1712931), (99, 1297675), (165, 778605), (225, 570977), (275, 467163), (495, 259535), (825, 155721), (2475, 51907)]