28542843

素因数分解:

$3^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{1097}}^1$

素因数の和:1176

約数の個数: 36

約数和(自身を含む): 48817080

約数和(自身を除く): 20274237

約数列:

[1, 3, 7, 9, 21, 49, 59, 63, 147, 177, 413, 441, 531, 1097, 1239, 2891, 3291, 3717, 7679, 8673, 9873, 23037, 26019, 53753, 64723, 69111, 161259, 194169, 453061, 483777, 582507, 1359183, 3171427, 4077549, 9514281, 28542843]

約数ペア:

[(1, 28542843), (3, 9514281), (7, 4077549), (9, 3171427), (21, 1359183), (49, 582507), (59, 483777), (63, 453061), (147, 194169), (177, 161259), (413, 69111), (441, 64723), (531, 53753), (1097, 26019), (1239, 23037), (2891, 9873), (3291, 8673), (3717, 7679)]