15113721

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37879}}^1$

素因数の和:37908

約数の個数: 16

約数和(自身を含む): 24243200

約数和(自身を除く): 9129479

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 37879, 113637, 265153, 719701, 795459, 2159103, 5037907, 15113721]

約数ペア:

[(1, 15113721), (3, 5037907), (7, 2159103), (19, 795459), (21, 719701), (57, 265153), (133, 113637), (399, 37879)]