747285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 1492992

約数和(自身を除く): 745707

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 647, 1155, 1941, 3235, 4529, 7117, 9705, 13587, 21351, 22645, 35585, 49819, 67935, 106755, 149457, 249095, 747285]

約数ペア:

[(1, 747285), (3, 249095), (5, 149457), (7, 106755), (11, 67935), (15, 49819), (21, 35585), (33, 22645), (35, 21351), (55, 13587), (77, 9705), (105, 7117), (165, 4529), (231, 3235), (385, 1941), (647, 1155)]