221495355

素因数分解:

$3^2\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{2549}}^1$

素因数の和:4491

約数の個数: 24

約数和(自身を含む): 384274800

約数和(自身を除く): 162779445

約数列:

[1, 3, 5, 9, 15, 45, 1931, 2549, 5793, 7647, 9655, 12745, 17379, 22941, 28965, 38235, 86895, 114705, 4922119, 14766357, 24610595, 44299071, 73831785, 221495355]

約数ペア:

[(1, 221495355), (3, 73831785), (5, 44299071), (9, 24610595), (15, 14766357), (45, 4922119), (1931, 114705), (2549, 86895), (5793, 38235), (7647, 28965), (9655, 22941), (12745, 17379)]