81787989

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 119347200

約数和(自身を除く): 37559211

約数列:

[1, 3, 19, 41, 57, 79, 123, 237, 443, 779, 1329, 1501, 2337, 3239, 4503, 8417, 9717, 18163, 25251, 34997, 54489, 61541, 104991, 184623, 345097, 664943, 1035291, 1434877, 1994829, 4304631, 27262663, 81787989]

約数ペア:

[(1, 81787989), (3, 27262663), (19, 4304631), (41, 1994829), (57, 1434877), (79, 1035291), (123, 664943), (237, 345097), (443, 184623), (779, 104991), (1329, 61541), (1501, 54489), (2337, 34997), (3239, 25251), (4503, 18163), (8417, 9717)]