211272867

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{200639}}^1$

素因数の和:200664

約数の個数: 20

約数和(自身を含む): 339884160

約数和(自身を除く): 128611293

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 200639, 601917, 1805751, 2608307, 5417253, 7824921, 16251759, 23474763, 70424289, 211272867]

約数ペア:

[(1, 211272867), (3, 70424289), (9, 23474763), (13, 16251759), (27, 7824921), (39, 5417253), (81, 2608307), (117, 1805751), (351, 601917), (1053, 200639)]