25651647

素因数分解:

$3^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:330

約数の個数: 60

約数和(自身を含む): 46678896

約数和(自身を除く): 21027249

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 81, 147, 161, 189, 207, 281, 441, 483, 567, 621, 843, 1127, 1323, 1449, 1863, 1967, 2529, 3381, 3969, 4347, 5901, 6463, 7587, 10143, 13041, 13769, 17703, 19389, 22761, 30429, 41307, 45241, 53109, 58167, 91287, 123921, 135723, 159327, 174501, 316687, 371763, 407169, 523503, 950061, 1115289, 1221507, 2850183, 3664521, 8550549, 25651647]

約数ペア:

[(1, 25651647), (3, 8550549), (7, 3664521), (9, 2850183), (21, 1221507), (23, 1115289), (27, 950061), (49, 523503), (63, 407169), (69, 371763), (81, 316687), (147, 174501), (161, 159327), (189, 135723), (207, 123921), (281, 91287), (441, 58167), (483, 53109), (567, 45241), (621, 41307), (843, 30429), (1127, 22761), (1323, 19389), (1449, 17703), (1863, 13769), (1967, 13041), (2529, 10143), (3381, 7587), (3969, 6463), (4347, 5901)]