526518321

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{1951}}^1$

素因数の和:2213

約数の個数: 32

約数和(自身を含む): 818528256

約数和(自身を除く): 292009935

約数列:

[1, 3, 7, 21, 71, 181, 213, 497, 543, 1267, 1491, 1951, 3801, 5853, 12851, 13657, 38553, 40971, 89957, 138521, 269871, 353131, 415563, 969647, 1059393, 2471917, 2908941, 7415751, 25072301, 75216903, 175506107, 526518321]

約数ペア:

[(1, 526518321), (3, 175506107), (7, 75216903), (21, 25072301), (71, 7415751), (181, 2908941), (213, 2471917), (497, 1059393), (543, 969647), (1267, 415563), (1491, 353131), (1951, 269871), (3801, 138521), (5853, 89957), (12851, 40971), (13657, 38553)]