211077279

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{823}}^1$

素因数の和:921

約数の個数: 64

約数和(自身を含む): 379699200

約数和(自身を除く): 168621921

約数列:

[1, 3, 7, 9, 21, 23, 27, 59, 63, 69, 161, 177, 189, 207, 413, 483, 531, 621, 823, 1239, 1357, 1449, 1593, 2469, 3717, 4071, 4347, 5761, 7407, 9499, 11151, 12213, 17283, 18929, 22221, 28497, 36639, 48557, 51849, 56787, 85491, 132503, 145671, 155547, 170361, 256473, 339899, 397509, 437013, 511083, 1019697, 1116811, 1192527, 1311039, 3059091, 3350433, 3577581, 7817677, 9177273, 10051299, 23453031, 30153897, 70359093, 211077279]

約数ペア:

[(1, 211077279), (3, 70359093), (7, 30153897), (9, 23453031), (21, 10051299), (23, 9177273), (27, 7817677), (59, 3577581), (63, 3350433), (69, 3059091), (161, 1311039), (177, 1192527), (189, 1116811), (207, 1019697), (413, 511083), (483, 437013), (531, 397509), (621, 339899), (823, 256473), (1239, 170361), (1357, 155547), (1449, 145671), (1593, 132503), (2469, 85491), (3717, 56787), (4071, 51849), (4347, 48557), (5761, 36639), (7407, 28497), (9499, 22221), (11151, 18929), (12213, 17283)]