256037733

素因数分解:

$3^3\times 7^1\times {\mathrm{991}}^1\times {\mathrm{1367}}^1$

素因数の和:2374

約数の個数: 32

約数和(自身を含む): 434257920

約数和(自身を除く): 178220187

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 991, 1367, 2973, 4101, 6937, 8919, 9569, 12303, 20811, 26757, 28707, 36909, 62433, 86121, 187299, 258363, 1354697, 4064091, 9482879, 12192273, 28448637, 36576819, 85345911, 256037733]

約数ペア:

[(1, 256037733), (3, 85345911), (7, 36576819), (9, 28448637), (21, 12192273), (27, 9482879), (63, 4064091), (189, 1354697), (991, 258363), (1367, 187299), (2973, 86121), (4101, 62433), (6937, 36909), (8919, 28707), (9569, 26757), (12303, 20811)]