15420447

素因数分解:

$3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{479}}^1$

素因数の和:572

約数の個数: 36

約数和(自身を含む): 26320320

約数和(自身を除く): 10899873

約数列:

[1, 3, 7, 9, 21, 49, 63, 73, 147, 219, 441, 479, 511, 657, 1437, 1533, 3353, 3577, 4311, 4599, 10059, 10731, 23471, 30177, 32193, 34967, 70413, 104901, 211239, 244769, 314703, 734307, 1713383, 2202921, 5140149, 15420447]

約数ペア:

[(1, 15420447), (3, 5140149), (7, 2202921), (9, 1713383), (21, 734307), (49, 314703), (63, 244769), (73, 211239), (147, 104901), (219, 70413), (441, 34967), (479, 32193), (511, 30177), (657, 23471), (1437, 10731), (1533, 10059), (3353, 4599), (3577, 4311)]