78889689

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 116181000

約数和(自身を除く): 37291311

約数列:

[1, 3, 9, 89, 149, 267, 447, 661, 801, 1341, 1983, 5949, 13261, 39783, 58829, 98489, 119349, 176487, 295467, 529461, 886401, 8765521, 26296563, 78889689]

約数ペア:

[(1, 78889689), (3, 26296563), (9, 8765521), (89, 886401), (149, 529461), (267, 295467), (447, 176487), (661, 119349), (801, 98489), (1341, 58829), (1983, 39783), (5949, 13261)]