128765907

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{12763}}^1$

素因数の和:12847

約数の個数: 24

約数和(自身を含む): 199118400

約数和(自身を除く): 70352493

約数列:

[1, 3, 9, 19, 57, 59, 171, 177, 531, 1121, 3363, 10089, 12763, 38289, 114867, 242497, 727491, 753017, 2182473, 2259051, 6777153, 14307323, 42921969, 128765907]

約数ペア:

[(1, 128765907), (3, 42921969), (9, 14307323), (19, 6777153), (57, 2259051), (59, 2182473), (171, 753017), (177, 727491), (531, 242497), (1121, 114867), (3363, 38289), (10089, 12763)]