25559541

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 45027840

約数和(自身を除く): 19468299

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 131, 133, 163, 171, 393, 399, 489, 917, 1141, 1179, 1197, 1467, 2489, 2751, 3097, 3423, 7467, 8253, 9291, 10269, 17423, 21353, 21679, 22401, 27873, 52269, 64059, 65037, 149471, 156807, 192177, 195111, 405707, 448413, 1217121, 1345239, 2839949, 3651363, 8519847, 25559541]

約数ペア:

[(1, 25559541), (3, 8519847), (7, 3651363), (9, 2839949), (19, 1345239), (21, 1217121), (57, 448413), (63, 405707), (131, 195111), (133, 192177), (163, 156807), (171, 149471), (393, 65037), (399, 64059), (489, 52269), (917, 27873), (1141, 22401), (1179, 21679), (1197, 21353), (1467, 17423), (2489, 10269), (2751, 9291), (3097, 8253), (3423, 7467)]