201914415

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{63197}}^1$

素因数の和:63279

約数の個数: 24

約数和(自身を含む): 354919968

約数和(自身を除く): 153005553

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 63197, 189591, 315985, 568773, 947955, 2843865, 4486987, 13460961, 22434935, 40382883, 67304805, 201914415]

約数ペア:

[(1, 201914415), (3, 67304805), (5, 40382883), (9, 22434935), (15, 13460961), (45, 4486987), (71, 2843865), (213, 947955), (355, 568773), (639, 315985), (1065, 189591), (3195, 63197)]