28658205

素因数分解:

$3^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 52241280

約数和(自身を除く): 23583075

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 103, 135, 229, 243, 309, 405, 515, 687, 927, 1145, 1215, 1545, 2061, 2781, 3435, 4635, 6183, 8343, 10305, 13905, 18549, 23587, 25029, 30915, 41715, 55647, 70761, 92745, 117935, 125145, 212283, 278235, 353805, 636849, 1061415, 1910547, 3184245, 5731641, 9552735, 28658205]

約数ペア:

[(1, 28658205), (3, 9552735), (5, 5731641), (9, 3184245), (15, 1910547), (27, 1061415), (45, 636849), (81, 353805), (103, 278235), (135, 212283), (229, 125145), (243, 117935), (309, 92745), (405, 70761), (515, 55647), (687, 41715), (927, 30915), (1145, 25029), (1215, 23587), (1545, 18549), (2061, 13905), (2781, 10305), (3435, 8343), (4635, 6183)]