20331303

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 30007296

約数和(自身を除く): 9675993

約数列:

[1, 3, 17, 43, 51, 73, 127, 129, 219, 381, 731, 1241, 2159, 2193, 3139, 3723, 5461, 6477, 9271, 9417, 16383, 27813, 53363, 92837, 157607, 160089, 278511, 398653, 472821, 1195959, 6777101, 20331303]

約数ペア:

[(1, 20331303), (3, 6777101), (17, 1195959), (43, 472821), (51, 398653), (73, 278511), (127, 160089), (129, 157607), (219, 92837), (381, 53363), (731, 27813), (1241, 16383), (2159, 9417), (2193, 9271), (3139, 6477), (3723, 5461)]