51178491

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 94610880

約数和(自身を除く): 43432389

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 79, 91, 113, 117, 147, 237, 273, 339, 441, 553, 637, 711, 791, 819, 1017, 1027, 1469, 1659, 1911, 2373, 3081, 3871, 4407, 4977, 5537, 5733, 7119, 7189, 8927, 9243, 10283, 11613, 13221, 16611, 21567, 26781, 30849, 34839, 49833, 50323, 62489, 64701, 71981, 80343, 92547, 116051, 150969, 187467, 215943, 348153, 437423, 452907, 562401, 647829, 812357, 1044459, 1312269, 2437071, 3936807, 5686499, 7311213, 17059497, 51178491]

約数ペア:

[(1, 51178491), (3, 17059497), (7, 7311213), (9, 5686499), (13, 3936807), (21, 2437071), (39, 1312269), (49, 1044459), (63, 812357), (79, 647829), (91, 562401), (113, 452907), (117, 437423), (147, 348153), (237, 215943), (273, 187467), (339, 150969), (441, 116051), (553, 92547), (637, 80343), (711, 71981), (791, 64701), (819, 62489), (1017, 50323), (1027, 49833), (1469, 34839), (1659, 30849), (1911, 26781), (2373, 21567), (3081, 16611), (3871, 13221), (4407, 11613), (4977, 10283), (5537, 9243), (5733, 8927), (7119, 7189)]