31015305

素因数分解:

$3^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 56

約数和(自身を含む): 57080832

約数和(自身を除く): 26065527

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 81, 127, 135, 201, 243, 335, 381, 405, 603, 635, 729, 1005, 1143, 1215, 1809, 1905, 3015, 3429, 3645, 5427, 5715, 8509, 9045, 10287, 16281, 17145, 25527, 27135, 30861, 42545, 48843, 51435, 76581, 81405, 92583, 127635, 154305, 229743, 244215, 382905, 462915, 689229, 1148715, 2067687, 3446145, 6203061, 10338435, 31015305]

約数ペア:

[(1, 31015305), (3, 10338435), (5, 6203061), (9, 3446145), (15, 2067687), (27, 1148715), (45, 689229), (67, 462915), (81, 382905), (127, 244215), (135, 229743), (201, 154305), (243, 127635), (335, 92583), (381, 81405), (405, 76581), (603, 51435), (635, 48843), (729, 42545), (1005, 30861), (1143, 27135), (1215, 25527), (1809, 17145), (1905, 16281), (3015, 10287), (3429, 9045), (3645, 8509), (5427, 5715)]