315397515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{9739}}^1$

素因数の和:9891

約数の個数: 32

約数和(自身を含む): 538583040

約数和(自身を除く): 223185525

約数列:

[1, 3, 5, 15, 17, 51, 85, 127, 255, 381, 635, 1905, 2159, 6477, 9739, 10795, 29217, 32385, 48695, 146085, 165563, 496689, 827815, 1236853, 2483445, 3710559, 6184265, 18552795, 21026501, 63079503, 105132505, 315397515]

約数ペア:

[(1, 315397515), (3, 105132505), (5, 63079503), (15, 21026501), (17, 18552795), (51, 6184265), (85, 3710559), (127, 2483445), (255, 1236853), (381, 827815), (635, 496689), (1905, 165563), (2159, 146085), (6477, 48695), (9739, 32385), (10795, 29217)]