189756801

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 305690112

約数和(自身を除く): 115933311

約数列:

[1, 3, 9, 13, 39, 53, 71, 117, 159, 213, 431, 477, 639, 689, 923, 1293, 2067, 2769, 3763, 3879, 5603, 6201, 8307, 11289, 16809, 22843, 30601, 33867, 48919, 50427, 68529, 91803, 146757, 205587, 275409, 296959, 397813, 440271, 890877, 1193439, 1621853, 2672631, 3580317, 4865559, 14596677, 21084089, 63252267, 189756801]

約数ペア:

[(1, 189756801), (3, 63252267), (9, 21084089), (13, 14596677), (39, 4865559), (53, 3580317), (71, 2672631), (117, 1621853), (159, 1193439), (213, 890877), (431, 440271), (477, 397813), (639, 296959), (689, 275409), (923, 205587), (1293, 146757), (2067, 91803), (2769, 68529), (3763, 50427), (3879, 48919), (5603, 33867), (6201, 30601), (8307, 22843), (11289, 16809)]