16680945

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1237}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 28523520

約数和(自身を除く): 11842575

約数列:

[1, 3, 5, 15, 29, 31, 87, 93, 145, 155, 435, 465, 899, 1237, 2697, 3711, 4495, 6185, 13485, 18555, 35873, 38347, 107619, 115041, 179365, 191735, 538095, 575205, 1112063, 3336189, 5560315, 16680945]

約数ペア:

[(1, 16680945), (3, 5560315), (5, 3336189), (15, 1112063), (29, 575205), (31, 538095), (87, 191735), (93, 179365), (145, 115041), (155, 107619), (435, 38347), (465, 35873), (899, 18555), (1237, 13485), (2697, 6185), (3711, 4495)]