646562007

素因数分解:

$3^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4177}}^1$

素因数の和:4219

約数の個数: 72

約数和(自身を含む): 1213592016

約数和(自身を除く): 567030009

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, 2457, 3159, 3969, 4177, 5733, 7371, 11907, 12531, 17199, 22113, 29239, 37593, 51597, 54301, 87717, 112779, 154791, 162903, 204673, 263151, 338337, 380107, 488709, 614019, 789453, 1015011, 1140321, 1466127, 1842057, 2368359, 2660749, 3420963, 4398381, 5526171, 7105077, 7982247, 10262889, 13195143, 16578513, 23946741, 30788667, 49735539, 71840223, 92366001, 215520669, 646562007]

約数ペア:

[(1, 646562007), (3, 215520669), (7, 92366001), (9, 71840223), (13, 49735539), (21, 30788667), (27, 23946741), (39, 16578513), (49, 13195143), (63, 10262889), (81, 7982247), (91, 7105077), (117, 5526171), (147, 4398381), (189, 3420963), (243, 2660749), (273, 2368359), (351, 1842057), (441, 1466127), (567, 1140321), (637, 1015011), (819, 789453), (1053, 614019), (1323, 488709), (1701, 380107), (1911, 338337), (2457, 263151), (3159, 204673), (3969, 162903), (4177, 154791), (5733, 112779), (7371, 87717), (11907, 54301), (12531, 51597), (17199, 37593), (22113, 29239)]