25908687

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^2\times {\mathrm{163}}^1$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 45710080

約数和(自身を除く): 19801393

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 163, 189, 203, 261, 489, 609, 783, 841, 1141, 1467, 1827, 2523, 3423, 4401, 4727, 5481, 5887, 7569, 10269, 14181, 17661, 22707, 30807, 33089, 42543, 52983, 99267, 127629, 137083, 158949, 297801, 411249, 893403, 959581, 1233747, 2878743, 3701241, 8636229, 25908687]

約数ペア:

[(1, 25908687), (3, 8636229), (7, 3701241), (9, 2878743), (21, 1233747), (27, 959581), (29, 893403), (63, 411249), (87, 297801), (163, 158949), (189, 137083), (203, 127629), (261, 99267), (489, 52983), (609, 42543), (783, 33089), (841, 30807), (1141, 22707), (1467, 17661), (1827, 14181), (2523, 10269), (3423, 7569), (4401, 5887), (4727, 5481)]