211895961

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{70141}}^1$

素因数の和:70216

約数の個数: 16

約数和(自身を含む): 303013440

約数和(自身を除く): 91117479

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 70141, 210423, 1332679, 3717473, 3998037, 11152419, 70631987, 211895961]

約数ペア:

[(1, 211895961), (3, 70631987), (19, 11152419), (53, 3998037), (57, 3717473), (159, 1332679), (1007, 210423), (3021, 70141)]