87293451

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{20477}}^1$

素因数の和:20523

約数の個数: 24

約数和(自身を含む): 140069520

約数和(自身を除く): 52776069

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 20477, 61431, 143339, 430017, 593833, 1003373, 1781499, 3010119, 4156831, 12470493, 29097817, 87293451]

約数ペア:

[(1, 87293451), (3, 29097817), (7, 12470493), (21, 4156831), (29, 3010119), (49, 1781499), (87, 1003373), (147, 593833), (203, 430017), (609, 143339), (1421, 61431), (4263, 20477)]