306331389

素因数分解:

$3^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1979}}^1$

素因数の和:2021

約数の個数: 72

約数和(自身を含む): 575134560

約数和(自身を除く): 268803171

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 81, 91, 117, 147, 189, 243, 273, 351, 441, 567, 637, 819, 1053, 1323, 1701, 1911, 1979, 2457, 3159, 3969, 5733, 5937, 7371, 11907, 13853, 17199, 17811, 22113, 25727, 41559, 51597, 53433, 77181, 96971, 124677, 154791, 160299, 180089, 231543, 290913, 374031, 480897, 540267, 694629, 872739, 1122093, 1260623, 1620801, 2083887, 2618217, 3366279, 3781869, 4862403, 6251661, 7854651, 11345607, 14587209, 23563953, 34036821, 43761627, 102110463, 306331389]

約数ペア:

[(1, 306331389), (3, 102110463), (7, 43761627), (9, 34036821), (13, 23563953), (21, 14587209), (27, 11345607), (39, 7854651), (49, 6251661), (63, 4862403), (81, 3781869), (91, 3366279), (117, 2618217), (147, 2083887), (189, 1620801), (243, 1260623), (273, 1122093), (351, 872739), (441, 694629), (567, 540267), (637, 480897), (819, 374031), (1053, 290913), (1323, 231543), (1701, 180089), (1911, 160299), (1979, 154791), (2457, 124677), (3159, 96971), (3969, 77181), (5733, 53433), (5937, 51597), (7371, 41559), (11907, 25727), (13853, 22113), (17199, 17811)]