28298403

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1721}}^1$

素因数の和:1769

約数の個数: 40

約数和(自身を含む): 50006880

約数和(自身を除く): 21708477

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 261, 567, 609, 783, 1721, 1827, 2349, 5163, 5481, 12047, 15489, 16443, 36141, 46467, 49909, 108423, 139401, 149727, 325269, 349363, 449181, 975807, 1048089, 1347543, 3144267, 4042629, 9432801, 28298403]

約数ペア:

[(1, 28298403), (3, 9432801), (7, 4042629), (9, 3144267), (21, 1347543), (27, 1048089), (29, 975807), (63, 449181), (81, 349363), (87, 325269), (189, 149727), (203, 139401), (261, 108423), (567, 49909), (609, 46467), (783, 36141), (1721, 16443), (1827, 15489), (2349, 12047), (5163, 5481)]