31961241

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16069}}^1$

素因数の和:16105

約数の個数: 24

約数和(自身を含む): 52645320

約数和(自身を除く): 20684079

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 16069, 48207, 144621, 208897, 273173, 626691, 819519, 1880073, 2458557, 3551249, 10653747, 31961241]

約数ペア:

[(1, 31961241), (3, 10653747), (9, 3551249), (13, 2458557), (17, 1880073), (39, 819519), (51, 626691), (117, 273173), (153, 208897), (221, 144621), (663, 48207), (1989, 16069)]