221440545

素因数分解:

$3^2\times 5^1\times {\mathrm{4920901}}^1$

素因数の和:4920912

約数の個数: 12

約数和(自身を含む): 383830356

約数和(自身を除く): 162389811

約数列:

[1, 3, 5, 9, 15, 45, 4920901, 14762703, 24604505, 44288109, 73813515, 221440545]

約数ペア:

[(1, 221440545), (3, 73813515), (5, 44288109), (9, 24604505), (15, 14762703), (45, 4920901)]