988890137739

素因数分解:

$3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{336499}}^1$

素因数の和:336662

約数の個数: 80

約数和(自身を含む): 1735500096000

約数和(自身を除く): 746609958261

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 73, 81, 189, 213, 219, 497, 511, 567, 639, 657, 1491, 1533, 1917, 1971, 4473, 4599, 5183, 5751, 5913, 13419, 13797, 15549, 36281, 40257, 41391, 46647, 108843, 139941, 326529, 336499, 419823, 979587, 1009497, 2355493, 2938761, 3028491, 7066479, 9085473, 21199437, 23891429, 24564427, 27256419, 63598311, 71674287, 73693281, 167240003, 171950989, 190794933, 215022861, 221079843, 501720009, 515852967, 645068583, 663239529, 1505160027, 1547558901, 1744074317, 1935205749, 1989718587, 4515480081, 4642676703, 5232222951, 12208520219, 13546440243, 13928030109, 15696668853, 36625560657, 47090006559, 109876681971, 141270019677, 329630045913, 988890137739]

約数ペア:

[(1, 988890137739), (3, 329630045913), (7, 141270019677), (9, 109876681971), (21, 47090006559), (27, 36625560657), (63, 15696668853), (71, 13928030109), (73, 13546440243), (81, 12208520219), (189, 5232222951), (213, 4642676703), (219, 4515480081), (497, 1989718587), (511, 1935205749), (567, 1744074317), (639, 1547558901), (657, 1505160027), (1491, 663239529), (1533, 645068583), (1917, 515852967), (1971, 501720009), (4473, 221079843), (4599, 215022861), (5183, 190794933), (5751, 171950989), (5913, 167240003), (13419, 73693281), (13797, 71674287), (15549, 63598311), (36281, 27256419), (40257, 24564427), (41391, 23891429), (46647, 21199437), (108843, 9085473), (139941, 7066479), (326529, 3028491), (336499, 2938761), (419823, 2355493), (979587, 1009497)]