40187907

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{26113}}^1$

素因数の和:26144

約数の個数: 20

約数和(自身を含む): 63195880

約数和(自身を除く): 23007973

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 26113, 78339, 235017, 496147, 705051, 1488441, 2115153, 4465323, 13395969, 40187907]

約数ペア:

[(1, 40187907), (3, 13395969), (9, 4465323), (19, 2115153), (27, 1488441), (57, 705051), (81, 496147), (171, 235017), (513, 78339), (1539, 26113)]