66812721

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{19867}}^1$

素因数の和:19948

約数の個数: 16

約数和(自身を含む): 95366400

約数和(自身を除く): 28553679

約数列:

[1, 3, 19, 57, 59, 177, 1121, 3363, 19867, 59601, 377473, 1132419, 1172153, 3516459, 22270907, 66812721]

約数ペア:

[(1, 66812721), (3, 22270907), (19, 3516459), (57, 1172153), (59, 1132419), (177, 377473), (1121, 59601), (3363, 19867)]