25313589

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 43610112

約数和(自身を除く): 18296523

約数列:

[1, 3, 7, 9, 21, 47, 63, 83, 103, 141, 249, 309, 329, 423, 581, 721, 747, 927, 987, 1743, 2163, 2961, 3901, 4841, 5229, 6489, 8549, 11703, 14523, 25647, 27307, 33887, 35109, 43569, 59843, 76941, 81921, 101661, 179529, 245763, 304983, 401803, 538587, 1205409, 2812621, 3616227, 8437863, 25313589]

約数ペア:

[(1, 25313589), (3, 8437863), (7, 3616227), (9, 2812621), (21, 1205409), (47, 538587), (63, 401803), (83, 304983), (103, 245763), (141, 179529), (249, 101661), (309, 81921), (329, 76941), (423, 59843), (581, 43569), (721, 35109), (747, 33887), (927, 27307), (987, 25647), (1743, 14523), (2163, 11703), (2961, 8549), (3901, 6489), (4841, 5229)]