396906981

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{607}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 560332800

約数和(自身を除く): 163425819

約数列:

[1, 3, 31, 79, 89, 93, 237, 267, 607, 1821, 2449, 2759, 7031, 7347, 8277, 18817, 21093, 47953, 54023, 56451, 143859, 162069, 217961, 653883, 1486543, 1674713, 4267817, 4459629, 5024139, 12803451, 132302327, 396906981]

約数ペア:

[(1, 396906981), (3, 132302327), (31, 12803451), (79, 5024139), (89, 4459629), (93, 4267817), (237, 1674713), (267, 1486543), (607, 653883), (1821, 217961), (2449, 162069), (2759, 143859), (7031, 56451), (7347, 54023), (8277, 47953), (18817, 21093)]