388625085

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{297797}}^1$

素因数の和:297837

約数の個数: 24

約数和(自身を含む): 696847320

約数和(自身を除く): 308222235

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 297797, 893391, 1488985, 2680173, 4466955, 8636113, 13400865, 25908339, 43180565, 77725017, 129541695, 388625085]

約数ペア:

[(1, 388625085), (3, 129541695), (5, 77725017), (9, 43180565), (15, 25908339), (29, 13400865), (45, 8636113), (87, 4466955), (145, 2680173), (261, 1488985), (435, 893391), (1305, 297797)]