198780225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{378629}}^1$

素因数の和:378649

約数の個数: 24

約数和(自身を含む): 375600960

約数和(自身を除く): 176820735

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 378629, 1135887, 1893145, 2650403, 5679435, 7951209, 9465725, 13252015, 28397175, 39756045, 66260075, 198780225]

約数ペア:

[(1, 198780225), (3, 66260075), (5, 39756045), (7, 28397175), (15, 13252015), (21, 9465725), (25, 7951209), (35, 5679435), (75, 2650403), (105, 1893145), (175, 1135887), (525, 378629)]