31328385

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1049}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 55036800

約数和(自身を除く): 23708415

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 181, 543, 905, 1049, 1991, 2715, 3147, 5245, 5973, 9955, 11539, 15735, 29865, 34617, 57695, 173085, 189869, 569607, 949345, 2088559, 2848035, 6265677, 10442795, 31328385]

約数ペア:

[(1, 31328385), (3, 10442795), (5, 6265677), (11, 2848035), (15, 2088559), (33, 949345), (55, 569607), (165, 189869), (181, 173085), (543, 57695), (905, 34617), (1049, 29865), (1991, 15735), (2715, 11539), (3147, 9955), (5245, 5973)]