47784243

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{307}}^2$

素因数の和:643

約数の個数: 18

約数和(自身を含む): 69215724

約数和(自身を除く): 21431481

約数列:

[1, 3, 13, 39, 169, 307, 507, 921, 3991, 11973, 51883, 94249, 155649, 282747, 1225237, 3675711, 15928081, 47784243]

約数ペア:

[(1, 47784243), (3, 15928081), (13, 3675711), (39, 1225237), (169, 282747), (307, 155649), (507, 94249), (921, 51883), (3991, 11973)]