31212135

素因数分解:

$3^6\times 5^1\times {\mathrm{8563}}^1$

素因数の和:8586

約数の個数: 28

約数和(自身を含む): 56162712

約数和(自身を除く): 24950577

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 8563, 25689, 42815, 77067, 128445, 231201, 385335, 693603, 1156005, 2080809, 3468015, 6242427, 10404045, 31212135]

約数ペア:

[(1, 31212135), (3, 10404045), (5, 6242427), (9, 3468015), (15, 2080809), (27, 1156005), (45, 693603), (81, 385335), (135, 231201), (243, 128445), (405, 77067), (729, 42815), (1215, 25689), (3645, 8563)]