1340335917

素因数分解:

$3^4\times {\mathrm{397}}^1\times {\mathrm{41681}}^1$

素因数の和:42090

約数の個数: 20

約数和(自身を含む): 2007321756

約数和(自身を除く): 666985839

約数列:

[1, 3, 9, 27, 81, 397, 1191, 3573, 10719, 32157, 41681, 125043, 375129, 1125387, 3376161, 16547357, 49642071, 148926213, 446778639, 1340335917]

約数ペア:

[(1, 1340335917), (3, 446778639), (9, 148926213), (27, 49642071), (81, 16547357), (397, 3376161), (1191, 1125387), (3573, 375129), (10719, 125043), (32157, 41681)]