4220505

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1$

素因数の和:647

約数の個数: 40

約数和(自身を含む): 8023752

約数和(自身を除く): 3803247

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 613, 765, 1377, 1839, 2295, 3065, 5517, 6885, 9195, 10421, 16551, 27585, 31263, 49653, 52105, 82755, 93789, 156315, 248265, 281367, 468945, 844101, 1406835, 4220505]

約数ペア:

[(1, 4220505), (3, 1406835), (5, 844101), (9, 468945), (15, 281367), (17, 248265), (27, 156315), (45, 93789), (51, 82755), (81, 52105), (85, 49653), (135, 31263), (153, 27585), (255, 16551), (405, 10421), (459, 9195), (613, 6885), (765, 5517), (1377, 3065), (1839, 2295)]