2921037

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 4684032

約数和(自身を除く): 1762995

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 641, 651, 1519, 1923, 4487, 4557, 13461, 19871, 31409, 59613, 94227, 139097, 417291, 973679, 2921037]

約数ペア:

[(1, 2921037), (3, 973679), (7, 417291), (21, 139097), (31, 94227), (49, 59613), (93, 31409), (147, 19871), (217, 13461), (641, 4557), (651, 4487), (1519, 1923)]