280499973

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{312709}}^1$

素因数の和:312748

約数の個数: 16

約数和(自身を含む): 420282240

約数和(自身を除く): 139782267

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 312709, 938127, 4065217, 7192307, 12195651, 21576921, 93499991, 280499973]

約数ペア:

[(1, 280499973), (3, 93499991), (13, 21576921), (23, 12195651), (39, 7192307), (69, 4065217), (299, 938127), (897, 312709)]