16209405

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12421}}^1$

素因数の和:12461

約数の個数: 24

約数和(自身を含む): 29067480

約数和(自身を除く): 12858075

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 12421, 37263, 62105, 111789, 186315, 360209, 558945, 1080627, 1801045, 3241881, 5403135, 16209405]

約数ペア:

[(1, 16209405), (3, 5403135), (5, 3241881), (9, 1801045), (15, 1080627), (29, 558945), (45, 360209), (87, 186315), (145, 111789), (261, 62105), (435, 37263), (1305, 12421)]