12487845

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1019}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 21542400

約数和(自身を除く): 9054555

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 1019, 2451, 3057, 4085, 5095, 12255, 15285, 19361, 43817, 58083, 96805, 131451, 219085, 290415, 657255, 832523, 2497569, 4162615, 12487845]

約数ペア:

[(1, 12487845), (3, 4162615), (5, 2497569), (15, 832523), (19, 657255), (43, 290415), (57, 219085), (95, 131451), (129, 96805), (215, 58083), (285, 43817), (645, 19361), (817, 15285), (1019, 12255), (2451, 5095), (3057, 4085)]