1989225783

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{383}}^1\times {\mathrm{1733}}^1$

素因数の和:2165

約数の個数: 40

約数和(自身を含む): 3061605888

約数和(自身を除く): 1072380105

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 383, 999, 1149, 1733, 2997, 3447, 5199, 10341, 14171, 15597, 31023, 42513, 46791, 64121, 127539, 140373, 192363, 382617, 577089, 663739, 1147851, 1731267, 1991217, 5193801, 5973651, 17920953, 24558343, 53762859, 73675029, 221025087, 663075261, 1989225783]

約数ペア:

[(1, 1989225783), (3, 663075261), (9, 221025087), (27, 73675029), (37, 53762859), (81, 24558343), (111, 17920953), (333, 5973651), (383, 5193801), (999, 1991217), (1149, 1731267), (1733, 1147851), (2997, 663739), (3447, 577089), (5199, 382617), (10341, 192363), (14171, 140373), (15597, 127539), (31023, 64121), (42513, 46791)]