65587221

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 115024000

約数和(自身を除く): 49436779

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 157, 171, 349, 399, 471, 1047, 1099, 1197, 1413, 2443, 2983, 3141, 3297, 6631, 7329, 8949, 9891, 19893, 20881, 21987, 26847, 46417, 54793, 59679, 62643, 139251, 164379, 187929, 383551, 417753, 493137, 1041067, 1150653, 3123201, 3451959, 7287469, 9369603, 21862407, 65587221]

約数ペア:

[(1, 65587221), (3, 21862407), (7, 9369603), (9, 7287469), (19, 3451959), (21, 3123201), (57, 1150653), (63, 1041067), (133, 493137), (157, 417753), (171, 383551), (349, 187929), (399, 164379), (471, 139251), (1047, 62643), (1099, 59679), (1197, 54793), (1413, 46417), (2443, 26847), (2983, 21987), (3141, 20881), (3297, 19893), (6631, 9891), (7329, 8949)]