6461875

素因数分解:

$5^4\times 7^2\times {\mathrm{211}}^1$

素因数の和:245

約数の個数: 30

約数和(自身を含む): 9437604

約数和(自身を除く): 2975729

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 211, 245, 625, 875, 1055, 1225, 1477, 4375, 5275, 6125, 7385, 10339, 26375, 30625, 36925, 51695, 131875, 184625, 258475, 923125, 1292375, 6461875]

約数ペア:

[(1, 6461875), (5, 1292375), (7, 923125), (25, 258475), (35, 184625), (49, 131875), (125, 51695), (175, 36925), (211, 30625), (245, 26375), (625, 10339), (875, 7385), (1055, 6125), (1225, 5275), (1477, 4375)]