209942145

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{222161}}^1$

素因数の和:222182

約数の個数: 32

約数和(自身を含む): 426551040

約数和(自身を除く): 216608895

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 222161, 666483, 1110805, 1555127, 1999449, 3332415, 4665381, 5998347, 7775635, 9997245, 13996143, 23326905, 29991735, 41988429, 69980715, 209942145]

約数ペア:

[(1, 209942145), (3, 69980715), (5, 41988429), (7, 29991735), (9, 23326905), (15, 13996143), (21, 9997245), (27, 7775635), (35, 5998347), (45, 4665381), (63, 3332415), (105, 1999449), (135, 1555127), (189, 1110805), (315, 666483), (945, 222161)]