2018779767

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{31193}}^1$

素因数の和:31269

約数の個数: 40

約数和(自身を含む): 3261145536

約数和(自身を除く): 1242365769

約数列:

[1, 3, 9, 17, 27, 47, 51, 81, 141, 153, 423, 459, 799, 1269, 1377, 2397, 3807, 7191, 21573, 31193, 64719, 93579, 280737, 530281, 842211, 1466071, 1590843, 2526633, 4398213, 4772529, 13194639, 14317587, 24923207, 39583917, 42952761, 74769621, 118751751, 224308863, 672926589, 2018779767]

約数ペア:

[(1, 2018779767), (3, 672926589), (9, 224308863), (17, 118751751), (27, 74769621), (47, 42952761), (51, 39583917), (81, 24923207), (141, 14317587), (153, 13194639), (423, 4772529), (459, 4398213), (799, 2526633), (1269, 1590843), (1377, 1466071), (2397, 842211), (3807, 530281), (7191, 280737), (21573, 93579), (31193, 64719)]