289407573

素因数分解:

$3^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:189

約数の個数: 120

約数和(自身を含む): 556174080

約数和(自身を除く): 266766507

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 71, 79, 81, 91, 117, 147, 189, 213, 237, 273, 351, 441, 497, 553, 567, 637, 639, 711, 819, 923, 1027, 1053, 1323, 1491, 1659, 1911, 1917, 2133, 2457, 2769, 3081, 3479, 3871, 3969, 4473, 4977, 5609, 5733, 5751, 6399, 6461, 7189, 7371, 8307, 9243, 10437, 11613, 13419, 14931, 16827, 17199, 19383, 21567, 24921, 27729, 31311, 34839, 39263, 40257, 44793, 45227, 50323, 50481, 51597, 58149, 64701, 72917, 74763, 83187, 93933, 104517, 117789, 135681, 150969, 151443, 174447, 194103, 218751, 274841, 281799, 313551, 353367, 407043, 452907, 454329, 510419, 523341, 582309, 656253, 824523, 1060101, 1221129, 1358721, 1531257, 1968759, 2473569, 3180303, 3572933, 3663387, 4076163, 4593771, 5906277, 7420707, 10718799, 13781313, 22262121, 32156397, 41343939, 96469191, 289407573]

約数ペア:

[(1, 289407573), (3, 96469191), (7, 41343939), (9, 32156397), (13, 22262121), (21, 13781313), (27, 10718799), (39, 7420707), (49, 5906277), (63, 4593771), (71, 4076163), (79, 3663387), (81, 3572933), (91, 3180303), (117, 2473569), (147, 1968759), (189, 1531257), (213, 1358721), (237, 1221129), (273, 1060101), (351, 824523), (441, 656253), (497, 582309), (553, 523341), (567, 510419), (637, 454329), (639, 452907), (711, 407043), (819, 353367), (923, 313551), (1027, 281799), (1053, 274841), (1323, 218751), (1491, 194103), (1659, 174447), (1911, 151443), (1917, 150969), (2133, 135681), (2457, 117789), (2769, 104517), (3081, 93933), (3479, 83187), (3871, 74763), (3969, 72917), (4473, 64701), (4977, 58149), (5609, 51597), (5733, 50481), (5751, 50323), (6399, 45227), (6461, 44793), (7189, 40257), (7371, 39263), (8307, 34839), (9243, 31311), (10437, 27729), (11613, 24921), (13419, 21567), (14931, 19383), (16827, 17199)]