2730987

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{647}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 4582656

約数和(自身を除く): 1851669

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 647, 1407, 1941, 4221, 4529, 5823, 13587, 40761, 43349, 130047, 303443, 390141, 910329, 2730987]

約数ペア:

[(1, 2730987), (3, 910329), (7, 390141), (9, 303443), (21, 130047), (63, 43349), (67, 40761), (201, 13587), (469, 5823), (603, 4529), (647, 4221), (1407, 1941)]