1284322581

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{26981}}^1$

素因数の和:27074

約数の個数: 32

約数和(自身を含む): 1994509440

約数和(自身を除く): 710186859

約数列:

[1, 3, 9, 27, 41, 43, 123, 129, 369, 387, 1107, 1161, 1763, 5289, 15867, 26981, 47601, 80943, 242829, 728487, 1106221, 1160183, 3318663, 3480549, 9955989, 10441647, 29867967, 31324941, 47567503, 142702509, 428107527, 1284322581]

約数ペア:

[(1, 1284322581), (3, 428107527), (9, 142702509), (27, 47567503), (41, 31324941), (43, 29867967), (123, 10441647), (129, 9955989), (369, 3480549), (387, 3318663), (1107, 1160183), (1161, 1106221), (1763, 728487), (5289, 242829), (15867, 80943), (26981, 47601)]