81420444

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{107699}}^1$

素因数の和:107719

約数の個数: 48

約数和(自身を含む): 241248000

約数和(自身を除く): 159827556

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 107699, 215398, 323097, 430796, 646194, 753893, 969291, 1292388, 1507786, 1938582, 2261679, 2907873, 3015572, 3877164, 4523358, 5815746, 6785037, 9046716, 11631492, 13570074, 20355111, 27140148, 40710222, 81420444]

約数ペア:

[(1, 81420444), (2, 40710222), (3, 27140148), (4, 20355111), (6, 13570074), (7, 11631492), (9, 9046716), (12, 6785037), (14, 5815746), (18, 4523358), (21, 3877164), (27, 3015572), (28, 2907873), (36, 2261679), (42, 1938582), (54, 1507786), (63, 1292388), (84, 969291), (108, 753893), (126, 646194), (189, 430796), (252, 323097), (378, 215398), (756, 107699)]