1138221

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:138

約数の個数: 36

約数和(自身を含む): 2000700

約数和(自身を除く): 862479

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 89, 147, 203, 261, 267, 441, 609, 623, 801, 1421, 1827, 1869, 2581, 4263, 4361, 5607, 7743, 12789, 13083, 18067, 23229, 39249, 54201, 126469, 162603, 379407, 1138221]

約数ペア:

[(1, 1138221), (3, 379407), (7, 162603), (9, 126469), (21, 54201), (29, 39249), (49, 23229), (63, 18067), (87, 13083), (89, 12789), (147, 7743), (203, 5607), (261, 4361), (267, 4263), (441, 2581), (609, 1869), (623, 1827), (801, 1421)]