31545423

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:413

約数の個数: 64

約数和(自身を含む): 59243520

約数和(自身を除く): 27698097

約数列:

[1, 3, 7, 9, 13, 21, 27, 37, 39, 63, 91, 111, 117, 189, 259, 273, 333, 347, 351, 481, 777, 819, 999, 1041, 1443, 2331, 2429, 2457, 3123, 3367, 4329, 4511, 6993, 7287, 9369, 10101, 12839, 12987, 13533, 21861, 30303, 31577, 38517, 40599, 65583, 89873, 90909, 94731, 115551, 121797, 166907, 269619, 284193, 346653, 500721, 808857, 852579, 1168349, 1502163, 2426571, 3505047, 4506489, 10515141, 31545423]

約数ペア:

[(1, 31545423), (3, 10515141), (7, 4506489), (9, 3505047), (13, 2426571), (21, 1502163), (27, 1168349), (37, 852579), (39, 808857), (63, 500721), (91, 346653), (111, 284193), (117, 269619), (189, 166907), (259, 121797), (273, 115551), (333, 94731), (347, 90909), (351, 89873), (481, 65583), (777, 40599), (819, 38517), (999, 31577), (1041, 30303), (1443, 21861), (2331, 13533), (2429, 12987), (2457, 12839), (3123, 10101), (3367, 9369), (4329, 7287), (4511, 6993)]