31118139

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:572

約数の個数: 36

約数和(自身を含む): 49959000

約数和(自身を除く): 18840861

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 169, 369, 499, 507, 533, 1497, 1521, 1599, 4491, 4797, 6487, 6929, 19461, 20459, 20787, 58383, 61377, 62361, 84331, 184131, 252993, 265967, 758979, 797901, 2393703, 3457571, 10372713, 31118139]

約数ペア:

[(1, 31118139), (3, 10372713), (9, 3457571), (13, 2393703), (39, 797901), (41, 758979), (117, 265967), (123, 252993), (169, 184131), (369, 84331), (499, 62361), (507, 61377), (533, 58383), (1497, 20787), (1521, 20459), (1599, 19461), (4491, 6929), (4797, 6487)]