81329508

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19309}}^1$

素因数の和:19338

約数の個数: 60

約数和(自身を含む): 228977980

約数和(自身を除く): 147648472

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 19309, 38618, 57927, 77236, 115854, 173781, 231708, 251017, 347562, 502034, 521343, 695124, 753051, 1004068, 1042686, 1506102, 1564029, 2085372, 2259153, 3012204, 3128058, 4518306, 6256116, 6777459, 9036612, 13554918, 20332377, 27109836, 40664754, 81329508]

約数ペア:

[(1, 81329508), (2, 40664754), (3, 27109836), (4, 20332377), (6, 13554918), (9, 9036612), (12, 6777459), (13, 6256116), (18, 4518306), (26, 3128058), (27, 3012204), (36, 2259153), (39, 2085372), (52, 1564029), (54, 1506102), (78, 1042686), (81, 1004068), (108, 753051), (117, 695124), (156, 521343), (162, 502034), (234, 347562), (324, 251017), (351, 231708), (468, 173781), (702, 115854), (1053, 77236), (1404, 57927), (2106, 38618), (4212, 19309)]