291279261

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{3797}}^1$

素因数の和:4101

約数の個数: 32

約数和(自身を含む): 479824128

約数和(自身を除く): 188544867

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 281, 843, 1967, 3653, 3797, 5901, 10959, 11391, 25571, 26579, 49361, 76713, 79737, 148083, 345527, 1036581, 1066957, 3200871, 7468699, 13870441, 22406097, 41611323, 97093087, 291279261]

約数ペア:

[(1, 291279261), (3, 97093087), (7, 41611323), (13, 22406097), (21, 13870441), (39, 7468699), (91, 3200871), (273, 1066957), (281, 1036581), (843, 345527), (1967, 148083), (3653, 79737), (3797, 76713), (5901, 49361), (10959, 26579), (11391, 25571)]