398791185

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{120299}}^1$

素因数の和:120337

約数の個数: 32

約数和(自身を含む): 727574400

約数和(自身を除く): 328783215

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 120299, 360897, 601495, 1563887, 1804485, 2045083, 4691661, 6135249, 7819435, 10225415, 23458305, 26586079, 30676245, 79758237, 132930395, 398791185]

約数ペア:

[(1, 398791185), (3, 132930395), (5, 79758237), (13, 30676245), (15, 26586079), (17, 23458305), (39, 10225415), (51, 7819435), (65, 6135249), (85, 4691661), (195, 2045083), (221, 1804485), (255, 1563887), (663, 601495), (1105, 360897), (3315, 120299)]