25321653

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 47672064

約数和(自身を除く): 22350411

約数列:

[1, 3, 7, 9, 17, 21, 27, 37, 51, 63, 71, 81, 111, 119, 153, 189, 213, 259, 333, 357, 459, 497, 567, 629, 639, 777, 999, 1071, 1207, 1377, 1491, 1887, 1917, 2331, 2627, 2997, 3213, 3621, 4403, 4473, 5661, 5751, 6993, 7881, 8449, 9639, 10863, 13209, 13419, 16983, 18389, 20979, 23643, 25347, 32589, 39627, 40257, 44659, 50949, 55167, 70929, 76041, 97767, 118881, 133977, 165501, 212787, 228123, 312613, 356643, 401931, 496503, 684369, 937839, 1205793, 1489509, 2813517, 3617379, 8440551, 25321653]

約数ペア:

[(1, 25321653), (3, 8440551), (7, 3617379), (9, 2813517), (17, 1489509), (21, 1205793), (27, 937839), (37, 684369), (51, 496503), (63, 401931), (71, 356643), (81, 312613), (111, 228123), (119, 212787), (153, 165501), (189, 133977), (213, 118881), (259, 97767), (333, 76041), (357, 70929), (459, 55167), (497, 50949), (567, 44659), (629, 40257), (639, 39627), (777, 32589), (999, 25347), (1071, 23643), (1207, 20979), (1377, 18389), (1491, 16983), (1887, 13419), (1917, 13209), (2331, 10863), (2627, 9639), (2997, 8449), (3213, 7881), (3621, 6993), (4403, 5751), (4473, 5661)]