201525051

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 345655296

約数和(自身を除く): 144130245

約数列:

[1, 3, 7, 13, 21, 37, 39, 71, 91, 111, 213, 259, 273, 281, 481, 497, 777, 843, 923, 1443, 1491, 1967, 2627, 2769, 3367, 3653, 5901, 6461, 7881, 10101, 10397, 10959, 18389, 19383, 19951, 25571, 31191, 34151, 55167, 59853, 72779, 76713, 102453, 135161, 139657, 218337, 239057, 259363, 405483, 418971, 717171, 738187, 778089, 946127, 1815541, 2214561, 2838381, 5167309, 5446623, 9596431, 15501927, 28789293, 67175017, 201525051]

約数ペア:

[(1, 201525051), (3, 67175017), (7, 28789293), (13, 15501927), (21, 9596431), (37, 5446623), (39, 5167309), (71, 2838381), (91, 2214561), (111, 1815541), (213, 946127), (259, 778089), (273, 738187), (281, 717171), (481, 418971), (497, 405483), (777, 259363), (843, 239057), (923, 218337), (1443, 139657), (1491, 135161), (1967, 102453), (2627, 76713), (2769, 72779), (3367, 59853), (3653, 55167), (5901, 34151), (6461, 31191), (7881, 25571), (10101, 19951), (10397, 19383), (10959, 18389)]