28323585

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 52253760

約数和(自身を除く): 23930175

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 157, 171, 211, 285, 471, 633, 785, 855, 1055, 1413, 1899, 2355, 2983, 3165, 4009, 7065, 8949, 9495, 12027, 14915, 20045, 26847, 33127, 36081, 44745, 60135, 99381, 134235, 165635, 180405, 298143, 496905, 629413, 1490715, 1888239, 3147065, 5664717, 9441195, 28323585]

約数ペア:

[(1, 28323585), (3, 9441195), (5, 5664717), (9, 3147065), (15, 1888239), (19, 1490715), (45, 629413), (57, 496905), (95, 298143), (157, 180405), (171, 165635), (211, 134235), (285, 99381), (471, 60135), (633, 44745), (785, 36081), (855, 33127), (1055, 26847), (1413, 20045), (1899, 14915), (2355, 12027), (2983, 9495), (3165, 8949), (4009, 7065)]