81223674

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{431}}^1\times {\mathrm{641}}^1$

素因数の和:1091

約数の個数: 48

約数和(自身を含む): 189703296

約数和(自身を除く): 108479622

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 431, 641, 862, 1282, 1293, 1923, 2586, 3017, 3846, 4487, 6034, 8974, 9051, 13461, 18102, 21119, 26922, 31409, 42238, 62818, 63357, 94227, 126714, 188454, 276271, 552542, 828813, 1657626, 1933897, 3867794, 5801691, 11603382, 13537279, 27074558, 40611837, 81223674]

約数ペア:

[(1, 81223674), (2, 40611837), (3, 27074558), (6, 13537279), (7, 11603382), (14, 5801691), (21, 3867794), (42, 1933897), (49, 1657626), (98, 828813), (147, 552542), (294, 276271), (431, 188454), (641, 126714), (862, 94227), (1282, 63357), (1293, 62818), (1923, 42238), (2586, 31409), (3017, 26922), (3846, 21119), (4487, 18102), (6034, 13461), (8974, 9051)]