217874883

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{108883}}^1$

素因数の和:108938

約数の個数: 16

約数和(自身を含む): 313585920

約数和(自身を除く): 95711037

約数列:

[1, 3, 23, 29, 69, 87, 667, 2001, 108883, 326649, 2504309, 3157607, 7512927, 9472821, 72624961, 217874883]

約数ペア:

[(1, 217874883), (3, 72624961), (23, 9472821), (29, 7512927), (69, 3157607), (87, 2504309), (667, 326649), (2001, 108883)]