28226367

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 20157633

約数列:

[1, 3, 9, 13, 27, 29, 39, 47, 59, 87, 117, 141, 177, 261, 351, 377, 423, 531, 611, 767, 783, 1131, 1269, 1363, 1593, 1711, 1833, 2301, 2773, 3393, 4089, 5133, 5499, 6903, 8319, 10179, 12267, 15399, 16497, 17719, 20709, 22243, 24957, 36049, 36801, 46197, 53157, 66729, 74871, 80417, 108147, 159471, 200187, 241251, 324441, 478413, 600561, 723753, 973323, 1045421, 2171259, 3136263, 9408789, 28226367]

約数ペア:

[(1, 28226367), (3, 9408789), (9, 3136263), (13, 2171259), (27, 1045421), (29, 973323), (39, 723753), (47, 600561), (59, 478413), (87, 324441), (117, 241251), (141, 200187), (177, 159471), (261, 108147), (351, 80417), (377, 74871), (423, 66729), (531, 53157), (611, 46197), (767, 36801), (783, 36049), (1131, 24957), (1269, 22243), (1363, 20709), (1593, 17719), (1711, 16497), (1833, 15399), (2301, 12267), (2773, 10179), (3393, 8319), (4089, 6903), (5133, 5499)]