68421753

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{5521}}^1$

素因数の和:5556

約数の個数: 28

約数和(自身を含む): 108639828

約数和(自身を除く): 40218075

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 4131, 5521, 12393, 16563, 49689, 93857, 149067, 281571, 447201, 844713, 1341603, 2534139, 4024809, 7602417, 22807251, 68421753]

約数ペア:

[(1, 68421753), (3, 22807251), (9, 7602417), (17, 4024809), (27, 2534139), (51, 1341603), (81, 844713), (153, 447201), (243, 281571), (459, 149067), (729, 93857), (1377, 49689), (4131, 16563), (5521, 12393)]