128936223

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1871}}^1$

素因数の和:1940

約数の個数: 48

約数和(自身を含む): 218050560

約数和(自身を除く): 89114337

約数列:

[1, 3, 9, 13, 19, 31, 39, 57, 93, 117, 171, 247, 279, 403, 589, 741, 1209, 1767, 1871, 2223, 3627, 5301, 5613, 7657, 16839, 22971, 24323, 35549, 58001, 68913, 72969, 106647, 174003, 218907, 319941, 462137, 522009, 754013, 1102019, 1386411, 2262039, 3306057, 4159233, 6786117, 9918171, 14326247, 42978741, 128936223]

約数ペア:

[(1, 128936223), (3, 42978741), (9, 14326247), (13, 9918171), (19, 6786117), (31, 4159233), (39, 3306057), (57, 2262039), (93, 1386411), (117, 1102019), (171, 754013), (247, 522009), (279, 462137), (403, 319941), (589, 218907), (741, 174003), (1209, 106647), (1767, 72969), (1871, 68913), (2223, 58001), (3627, 35549), (5301, 24323), (5613, 22971), (7657, 16839)]