25904775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^2$

素因数の和:352

約数の個数: 36

約数和(自身を含む): 46408488

約数和(自身を除く): 20503713

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 163, 195, 325, 489, 815, 975, 2119, 2445, 4075, 6357, 10595, 12225, 26569, 31785, 52975, 79707, 132845, 158925, 345397, 398535, 664225, 1036191, 1726985, 1992675, 5180955, 8634925, 25904775]

約数ペア:

[(1, 25904775), (3, 8634925), (5, 5180955), (13, 1992675), (15, 1726985), (25, 1036191), (39, 664225), (65, 398535), (75, 345397), (163, 158925), (195, 132845), (325, 79707), (489, 52975), (815, 31785), (975, 26569), (2119, 12225), (2445, 10595), (4075, 6357)]