81807012

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4447}}^1$

素因数の和:4537

約数の個数: 72

約数和(自身を含む): 239622656

約数和(自身を除く): 157815644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 73, 84, 126, 146, 219, 252, 292, 438, 511, 657, 876, 1022, 1314, 1533, 2044, 2628, 3066, 4447, 4599, 6132, 8894, 9198, 13341, 17788, 18396, 26682, 31129, 40023, 53364, 62258, 80046, 93387, 124516, 160092, 186774, 280161, 324631, 373548, 560322, 649262, 973893, 1120644, 1298524, 1947786, 2272417, 2921679, 3895572, 4544834, 5843358, 6817251, 9089668, 11686716, 13634502, 20451753, 27269004, 40903506, 81807012]

約数ペア:

[(1, 81807012), (2, 40903506), (3, 27269004), (4, 20451753), (6, 13634502), (7, 11686716), (9, 9089668), (12, 6817251), (14, 5843358), (18, 4544834), (21, 3895572), (28, 2921679), (36, 2272417), (42, 1947786), (63, 1298524), (73, 1120644), (84, 973893), (126, 649262), (146, 560322), (219, 373548), (252, 324631), (292, 280161), (438, 186774), (511, 160092), (657, 124516), (876, 93387), (1022, 80046), (1314, 62258), (1533, 53364), (2044, 40023), (2628, 31129), (3066, 26682), (4447, 18396), (4599, 17788), (6132, 13341), (8894, 9198)]