212558565

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{833563}}^1$

素因数の和:833588

約数の個数: 16

約数和(自身を含む): 360099648

約数和(自身を除く): 147541083

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 833563, 2500689, 4167815, 12503445, 14170571, 42511713, 70852855, 212558565]

約数ペア:

[(1, 212558565), (3, 70852855), (5, 42511713), (15, 14170571), (17, 12503445), (51, 4167815), (85, 2500689), (255, 833563)]