28598553

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 46176000

約数和(自身を除く): 17577447

約数列:

[1, 3, 9, 19, 29, 57, 73, 79, 87, 171, 219, 237, 261, 551, 657, 711, 1387, 1501, 1653, 2117, 2291, 4161, 4503, 4959, 5767, 6351, 6873, 12483, 13509, 17301, 19053, 20619, 40223, 43529, 51903, 109573, 120669, 130587, 167243, 328719, 362007, 391761, 501729, 986157, 1505187, 3177617, 9532851, 28598553]

約数ペア:

[(1, 28598553), (3, 9532851), (9, 3177617), (19, 1505187), (29, 986157), (57, 501729), (73, 391761), (79, 362007), (87, 328719), (171, 167243), (219, 130587), (237, 120669), (261, 109573), (551, 51903), (657, 43529), (711, 40223), (1387, 20619), (1501, 19053), (1653, 17301), (2117, 13509), (2291, 12483), (4161, 6873), (4503, 6351), (4959, 5767)]