2661885

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 4656600

約数和(自身を除く): 1994715

約数列:

[1, 3, 5, 9, 15, 45, 149, 397, 447, 745, 1191, 1341, 1985, 2235, 3573, 5955, 6705, 17865, 59153, 177459, 295765, 532377, 887295, 2661885]

約数ペア:

[(1, 2661885), (3, 887295), (5, 532377), (9, 295765), (15, 177459), (45, 59153), (149, 17865), (397, 6705), (447, 5955), (745, 3573), (1191, 2235), (1341, 1985)]