28773927

素因数分解:

$3^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 53760000

約数和(自身を除く): 24986073

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 239, 273, 343, 351, 441, 637, 717, 819, 1029, 1323, 1673, 1911, 2151, 2457, 3087, 3107, 4459, 5019, 5733, 6453, 9261, 9321, 11711, 13377, 15057, 17199, 21749, 27963, 35133, 40131, 45171, 65247, 81977, 83889, 105399, 120393, 152243, 195741, 245931, 316197, 456729, 587223, 737793, 1065701, 1370187, 2213379, 3197103, 4110561, 9591309, 28773927]

約数ペア:

[(1, 28773927), (3, 9591309), (7, 4110561), (9, 3197103), (13, 2213379), (21, 1370187), (27, 1065701), (39, 737793), (49, 587223), (63, 456729), (91, 316197), (117, 245931), (147, 195741), (189, 152243), (239, 120393), (273, 105399), (343, 83889), (351, 81977), (441, 65247), (637, 45171), (717, 40131), (819, 35133), (1029, 27963), (1323, 21749), (1673, 17199), (1911, 15057), (2151, 13377), (2457, 11711), (3087, 9321), (3107, 9261), (4459, 6453), (5019, 5733)]