13249551

素因数分解:

$3^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{521}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 20708784

約数和(自身を除く): 7459233

約数列:

[1, 3, 7, 21, 49, 147, 173, 519, 521, 1211, 1563, 3633, 3647, 8477, 10941, 25431, 25529, 76587, 90133, 270399, 630931, 1892793, 4416517, 13249551]

約数ペア:

[(1, 13249551), (3, 4416517), (7, 1892793), (21, 630931), (49, 270399), (147, 90133), (173, 76587), (519, 25529), (521, 25431), (1211, 10941), (1563, 8477), (3633, 3647)]