19727253

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:104

約数の個数: 96

約数和(自身を含む): 38814720

約数和(自身を除く): 19087467

約数列:

[1, 3, 7, 9, 13, 21, 27, 31, 37, 39, 49, 63, 91, 93, 111, 117, 147, 189, 217, 259, 273, 279, 333, 351, 403, 441, 481, 637, 651, 777, 819, 837, 999, 1147, 1209, 1323, 1443, 1519, 1813, 1911, 1953, 2331, 2457, 2821, 3367, 3441, 3627, 4329, 4557, 5439, 5733, 5859, 6993, 8029, 8463, 10101, 10323, 10881, 12987, 13671, 14911, 16317, 17199, 19747, 23569, 24087, 25389, 30303, 30969, 41013, 44733, 48951, 56203, 59241, 70707, 72261, 76167, 90909, 104377, 134199, 168609, 177723, 212121, 216783, 313131, 402597, 505827, 533169, 636363, 730639, 939393, 1517481, 2191917, 2818179, 6575751, 19727253]

約数ペア:

[(1, 19727253), (3, 6575751), (7, 2818179), (9, 2191917), (13, 1517481), (21, 939393), (27, 730639), (31, 636363), (37, 533169), (39, 505827), (49, 402597), (63, 313131), (91, 216783), (93, 212121), (111, 177723), (117, 168609), (147, 134199), (189, 104377), (217, 90909), (259, 76167), (273, 72261), (279, 70707), (333, 59241), (351, 56203), (403, 48951), (441, 44733), (481, 41013), (637, 30969), (651, 30303), (777, 25389), (819, 24087), (837, 23569), (999, 19747), (1147, 17199), (1209, 16317), (1323, 14911), (1443, 13671), (1519, 12987), (1813, 10881), (1911, 10323), (1953, 10101), (2331, 8463), (2457, 8029), (2821, 6993), (3367, 5859), (3441, 5733), (3627, 5439), (4329, 4557)]