128698755

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{1171}}^1$

素因数の和:1627

約数の個数: 32

約数和(自身を含む): 218723328

約数和(自身を除く): 90024573

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 431, 1171, 1293, 2155, 3513, 5855, 6465, 7327, 17565, 19907, 21981, 36635, 59721, 99535, 109905, 298605, 504701, 1514103, 2523505, 7570515, 8579917, 25739751, 42899585, 128698755]

約数ペア:

[(1, 128698755), (3, 42899585), (5, 25739751), (15, 8579917), (17, 7570515), (51, 2523505), (85, 1514103), (255, 504701), (431, 298605), (1171, 109905), (1293, 99535), (2155, 59721), (3513, 36635), (5855, 21981), (6465, 19907), (7327, 17565)]