3891645

素因数分解:

$3^5\times 5^1\times {\mathrm{3203}}^1$

素因数の和:3223

約数の個数: 24

約数和(自身を含む): 6997536

約数和(自身を除く): 3105891

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 3203, 9609, 16015, 28827, 48045, 86481, 144135, 259443, 432405, 778329, 1297215, 3891645]

約数ペア:

[(1, 3891645), (3, 1297215), (5, 778329), (9, 432405), (15, 259443), (27, 144135), (45, 86481), (81, 48045), (135, 28827), (243, 16015), (405, 9609), (1215, 3203)]