81860058

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1951}}^1$

素因数の和:2009

約数の個数: 80

約数和(自身を含む): 215407104

約数和(自身を除く): 133547046

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 81, 111, 126, 162, 189, 222, 259, 333, 378, 518, 567, 666, 777, 999, 1134, 1554, 1951, 1998, 2331, 2997, 3902, 4662, 5853, 5994, 6993, 11706, 13657, 13986, 17559, 20979, 27314, 35118, 40971, 41958, 52677, 72187, 81942, 105354, 122913, 144374, 158031, 216561, 245826, 316062, 368739, 433122, 505309, 649683, 737478, 1010618, 1106217, 1299366, 1515927, 1949049, 2212434, 3031854, 3898098, 4547781, 5847147, 9095562, 11694294, 13643343, 27286686, 40930029, 81860058]

約数ペア:

[(1, 81860058), (2, 40930029), (3, 27286686), (6, 13643343), (7, 11694294), (9, 9095562), (14, 5847147), (18, 4547781), (21, 3898098), (27, 3031854), (37, 2212434), (42, 1949049), (54, 1515927), (63, 1299366), (74, 1106217), (81, 1010618), (111, 737478), (126, 649683), (162, 505309), (189, 433122), (222, 368739), (259, 316062), (333, 245826), (378, 216561), (518, 158031), (567, 144374), (666, 122913), (777, 105354), (999, 81942), (1134, 72187), (1554, 52677), (1951, 41958), (1998, 40971), (2331, 35118), (2997, 27314), (3902, 20979), (4662, 17559), (5853, 13986), (5994, 13657), (6993, 11706)]