181321413

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 304899840

約数和(自身を除く): 123578427

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 239, 273, 397, 637, 717, 1191, 1673, 1911, 2779, 3107, 5019, 5161, 8337, 9321, 11711, 15483, 19453, 21749, 35133, 36127, 58359, 65247, 94883, 108381, 152243, 252889, 284649, 456729, 664181, 758667, 1233479, 1992543, 3700437, 4649267, 8634353, 13947801, 25903059, 60440471, 181321413]

約数ペア:

[(1, 181321413), (3, 60440471), (7, 25903059), (13, 13947801), (21, 8634353), (39, 4649267), (49, 3700437), (91, 1992543), (147, 1233479), (239, 758667), (273, 664181), (397, 456729), (637, 284649), (717, 252889), (1191, 152243), (1673, 108381), (1911, 94883), (2779, 65247), (3107, 58359), (5019, 36127), (5161, 35133), (8337, 21749), (9321, 19453), (11711, 15483)]