7881464979

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{19609}}^1$

素因数の和:19740

約数の個数: 48

約数和(自身を含む): 12554792640

約数和(自身を除く): 4673327661

約数列:

[1, 3, 9, 17, 37, 51, 71, 111, 153, 213, 333, 629, 639, 1207, 1887, 2627, 3621, 5661, 7881, 10863, 19609, 23643, 44659, 58827, 133977, 176481, 333353, 401931, 725533, 1000059, 1392239, 2176599, 3000177, 4176717, 6529797, 12334061, 12530151, 23668063, 37002183, 51512843, 71004189, 111006549, 154538529, 213012567, 463615587, 875718331, 2627154993, 7881464979]

約数ペア:

[(1, 7881464979), (3, 2627154993), (9, 875718331), (17, 463615587), (37, 213012567), (51, 154538529), (71, 111006549), (111, 71004189), (153, 51512843), (213, 37002183), (333, 23668063), (629, 12530151), (639, 12334061), (1207, 6529797), (1887, 4176717), (2627, 3000177), (3621, 2176599), (5661, 1392239), (7881, 1000059), (10863, 725533), (19609, 401931), (23643, 333353), (44659, 176481), (58827, 133977)]