891567201

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{68147}}^1$

素因数の和:68253

約数の個数: 24

約数和(自身を含む): 1398396960

約数和(自身を除く): 506829759

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 623, 1869, 4361, 13083, 68147, 204441, 477029, 1431087, 3339203, 6065083, 10017609, 18195249, 42455581, 127366743, 297189067, 891567201]

約数ペア:

[(1, 891567201), (3, 297189067), (7, 127366743), (21, 42455581), (49, 18195249), (89, 10017609), (147, 6065083), (267, 3339203), (623, 1431087), (1869, 477029), (4361, 204441), (13083, 68147)]