81621138

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{10909}}^1$

素因数の和:10986

約数の個数: 32

約数和(自身を含む): 172814400

約数和(自身を除く): 91193262

約数列:

[1, 2, 3, 6, 29, 43, 58, 86, 87, 129, 174, 258, 1247, 2494, 3741, 7482, 10909, 21818, 32727, 65454, 316361, 469087, 632722, 938174, 949083, 1407261, 1898166, 2814522, 13603523, 27207046, 40810569, 81621138]

約数ペア:

[(1, 81621138), (2, 40810569), (3, 27207046), (6, 13603523), (29, 2814522), (43, 1898166), (58, 1407261), (86, 949083), (87, 938174), (129, 632722), (174, 469087), (258, 316361), (1247, 65454), (2494, 32727), (3741, 21818), (7482, 10909)]