28525965

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{607}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 49437696

約数和(自身を除く): 20911731

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 241, 607, 723, 1205, 1821, 3035, 3133, 3615, 7891, 9105, 9399, 15665, 23673, 39455, 46995, 118365, 146287, 438861, 731435, 1901731, 2194305, 5705193, 9508655, 28525965]

約数ペア:

[(1, 28525965), (3, 9508655), (5, 5705193), (13, 2194305), (15, 1901731), (39, 731435), (65, 438861), (195, 146287), (241, 118365), (607, 46995), (723, 39455), (1205, 23673), (1821, 15665), (3035, 9399), (3133, 9105), (3615, 7891)]