231569505

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 410389200

約数和(自身を除く): 178819695

約数列:

[1, 3, 5, 9, 15, 45, 73, 157, 219, 365, 449, 471, 657, 785, 1095, 1347, 1413, 2245, 2355, 3285, 4041, 6735, 7065, 11461, 20205, 32777, 34383, 57305, 70493, 98331, 103149, 163885, 171915, 211479, 294993, 352465, 491655, 515745, 634437, 1057395, 1474965, 3172185, 5145989, 15437967, 25729945, 46313901, 77189835, 231569505]

約数ペア:

[(1, 231569505), (3, 77189835), (5, 46313901), (9, 25729945), (15, 15437967), (45, 5145989), (73, 3172185), (157, 1474965), (219, 1057395), (365, 634437), (449, 515745), (471, 491655), (657, 352465), (785, 294993), (1095, 211479), (1347, 171915), (1413, 163885), (2245, 103149), (2355, 98331), (3285, 70493), (4041, 57305), (6735, 34383), (7065, 32777), (11461, 20205)]