66380349

素因数分解:

$3^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{1607}}^1$

素因数の和:1905

約数の個数: 24

約数和(自身を含む): 103387968

約数和(自身を除く): 37007619

約数列:

[1, 3, 7, 21, 49, 147, 281, 843, 1607, 1967, 4821, 5901, 11249, 13769, 33747, 41307, 78743, 236229, 451567, 1354701, 3160969, 9482907, 22126783, 66380349]

約数ペア:

[(1, 66380349), (3, 22126783), (7, 9482907), (21, 3160969), (49, 1354701), (147, 451567), (281, 236229), (843, 78743), (1607, 41307), (1967, 33747), (4821, 13769), (5901, 11249)]