42688821

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{28631}}^1$

素因数の和:28712

約数の個数: 16

約数和(自身を含む): 65968128

約数和(自身を除く): 23279307

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 28631, 85893, 200417, 601251, 2032801, 6098403, 14229607, 42688821]

約数ペア:

[(1, 42688821), (3, 14229607), (7, 6098403), (21, 2032801), (71, 601251), (213, 200417), (497, 85893), (1491, 28631)]