81419148

素因数分解:

$2^2\times 3^3\times {\mathrm{691}}^1\times {\mathrm{1091}}^1$

素因数の和:1795

約数の個数: 48

約数和(自身を含む): 211585920

約数和(自身を除く): 130166772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 691, 1091, 1382, 2073, 2182, 2764, 3273, 4146, 4364, 6219, 6546, 8292, 9819, 12438, 13092, 18657, 19638, 24876, 29457, 37314, 39276, 58914, 74628, 117828, 753881, 1507762, 2261643, 3015524, 4523286, 6784929, 9046572, 13569858, 20354787, 27139716, 40709574, 81419148]

約数ペア:

[(1, 81419148), (2, 40709574), (3, 27139716), (4, 20354787), (6, 13569858), (9, 9046572), (12, 6784929), (18, 4523286), (27, 3015524), (36, 2261643), (54, 1507762), (108, 753881), (691, 117828), (1091, 74628), (1382, 58914), (2073, 39276), (2182, 37314), (2764, 29457), (3273, 24876), (4146, 19638), (4364, 18657), (6219, 13092), (6546, 12438), (8292, 9819)]