138427209

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{12743}}^1$

素因数の和:12837

約数の個数: 24

約数和(自身を含む): 214710912

約数和(自身を除く): 76283703

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 3621, 10863, 12743, 38229, 114687, 216631, 649893, 904753, 1949679, 2714259, 8142777, 15380801, 46142403, 138427209]

約数ペア:

[(1, 138427209), (3, 46142403), (9, 15380801), (17, 8142777), (51, 2714259), (71, 1949679), (153, 904753), (213, 649893), (639, 216631), (1207, 114687), (3621, 38229), (10863, 12743)]