81437076

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{11969}}^1$

素因数の和:11995

約数の個数: 72

約数和(自身を含む): 243996480

約数和(自身を除く): 162559404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3402, 6804, 11969, 23938, 35907, 47876, 71814, 83783, 107721, 143628, 167566, 215442, 251349, 323163, 335132, 430884, 502698, 646326, 754047, 969489, 1005396, 1292652, 1508094, 1938978, 2262141, 2908467, 3016188, 3877956, 4524282, 5816934, 6786423, 9048564, 11633868, 13572846, 20359269, 27145692, 40718538, 81437076]

約数ペア:

[(1, 81437076), (2, 40718538), (3, 27145692), (4, 20359269), (6, 13572846), (7, 11633868), (9, 9048564), (12, 6786423), (14, 5816934), (18, 4524282), (21, 3877956), (27, 3016188), (28, 2908467), (36, 2262141), (42, 1938978), (54, 1508094), (63, 1292652), (81, 1005396), (84, 969489), (108, 754047), (126, 646326), (162, 502698), (189, 430884), (243, 335132), (252, 323163), (324, 251349), (378, 215442), (486, 167566), (567, 143628), (756, 107721), (972, 83783), (1134, 71814), (1701, 47876), (2268, 35907), (3402, 23938), (6804, 11969)]