71281161

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2879}}^1$

素因数の和:3026

約数の個数: 32

約数和(自身を含む): 121651200

約数和(自身を除く): 50370039

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 917, 1179, 2751, 2879, 3537, 8253, 8637, 20153, 24759, 25911, 60459, 77733, 181377, 377149, 544131, 1131447, 2640043, 3394341, 7920129, 10183023, 23760387, 71281161]

約数ペア:

[(1, 71281161), (3, 23760387), (7, 10183023), (9, 7920129), (21, 3394341), (27, 2640043), (63, 1131447), (131, 544131), (189, 377149), (393, 181377), (917, 77733), (1179, 60459), (2751, 25911), (2879, 24759), (3537, 20153), (8253, 8637)]