221940345

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{28619}}^1$

素因数の和:28685

約数の個数: 32

約数和(自身を含む): 395642880

約数和(自身を除く): 173702535

約数列:

[1, 3, 5, 11, 15, 33, 47, 55, 141, 165, 235, 517, 705, 1551, 2585, 7755, 28619, 85857, 143095, 314809, 429285, 944427, 1345093, 1574045, 4035279, 4722135, 6725465, 14796023, 20176395, 44388069, 73980115, 221940345]

約数ペア:

[(1, 221940345), (3, 73980115), (5, 44388069), (11, 20176395), (15, 14796023), (33, 6725465), (47, 4722135), (55, 4035279), (141, 1574045), (165, 1345093), (235, 944427), (517, 429285), (705, 314809), (1551, 143095), (2585, 85857), (7755, 28619)]