81572148

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{323699}}^1$

素因数の和:323716

約数の個数: 36

約数和(自身を含む): 235653600

約数和(自身を除く): 154081452

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 323699, 647398, 971097, 1294796, 1942194, 2265893, 2913291, 3884388, 4531786, 5826582, 6797679, 9063572, 11653164, 13595358, 20393037, 27190716, 40786074, 81572148]

約数ペア:

[(1, 81572148), (2, 40786074), (3, 27190716), (4, 20393037), (6, 13595358), (7, 11653164), (9, 9063572), (12, 6797679), (14, 5826582), (18, 4531786), (21, 3884388), (28, 2913291), (36, 2265893), (42, 1942194), (63, 1294796), (84, 971097), (126, 647398), (252, 323699)]