1228049181

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{67987}}^1$

素因数の和:68222

約数の個数: 20

約数和(自身を含む): 1842746752

約数和(自身を除く): 614697571

約数列:

[1, 3, 9, 27, 81, 223, 669, 2007, 6021, 18063, 67987, 203961, 611883, 1835649, 5506947, 15161101, 45483303, 136449909, 409349727, 1228049181]

約数ペア:

[(1, 1228049181), (3, 409349727), (9, 136449909), (27, 45483303), (81, 15161101), (223, 5506947), (669, 1835649), (2007, 611883), (6021, 203961), (18063, 67987)]