78764157

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:731

約数の個数: 40

約数和(自身を含む): 123980472

約数和(自身を除く): 45216315

約数列:

[1, 3, 9, 27, 37, 41, 81, 111, 123, 333, 369, 641, 999, 1107, 1517, 1923, 2997, 3321, 4551, 5769, 13653, 17307, 23717, 26281, 40959, 51921, 71151, 78843, 122877, 213453, 236529, 640359, 709587, 972397, 1921077, 2128761, 2917191, 8751573, 26254719, 78764157]

約数ペア:

[(1, 78764157), (3, 26254719), (9, 8751573), (27, 2917191), (37, 2128761), (41, 1921077), (81, 972397), (111, 709587), (123, 640359), (333, 236529), (369, 213453), (641, 122877), (999, 78843), (1107, 71151), (1517, 51921), (1923, 40959), (2997, 26281), (3321, 23717), (4551, 17307), (5769, 13653)]