1986387

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 24

約数和(自身を含む): 3002832

約数和(自身を除く): 1016445

約数列:

[1, 3, 13, 31, 39, 53, 93, 159, 403, 689, 961, 1209, 1643, 2067, 2883, 4929, 12493, 21359, 37479, 50933, 64077, 152799, 662129, 1986387]

約数ペア:

[(1, 1986387), (3, 662129), (13, 152799), (31, 64077), (39, 50933), (53, 37479), (93, 21359), (159, 12493), (403, 4929), (689, 2883), (961, 2067), (1209, 1643)]