216971127

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43753}}^1$

素因数の和:43807

約数の個数: 24

約数和(自身を含む): 341281200

約数和(自身を除く): 124310073

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4959, 43753, 131259, 393777, 831307, 1268837, 2493921, 3806511, 7481763, 11419533, 24107903, 72323709, 216971127]

約数ペア:

[(1, 216971127), (3, 72323709), (9, 24107903), (19, 11419533), (29, 7481763), (57, 3806511), (87, 2493921), (171, 1268837), (261, 831307), (551, 393777), (1653, 131259), (4959, 43753)]