64928385

素因数分解:

$3^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:449

約数の個数: 56

約数和(自身を含む): 119617920

約数和(自身を除く): 54689535

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 243, 379, 405, 423, 705, 729, 1137, 1215, 1269, 1895, 2115, 3411, 3645, 3807, 5685, 6345, 10233, 11421, 17055, 17813, 19035, 30699, 34263, 51165, 53439, 57105, 89065, 92097, 153495, 160317, 171315, 267195, 276291, 460485, 480951, 801585, 1381455, 1442853, 2404755, 4328559, 7214265, 12985677, 21642795, 64928385]

約数ペア:

[(1, 64928385), (3, 21642795), (5, 12985677), (9, 7214265), (15, 4328559), (27, 2404755), (45, 1442853), (47, 1381455), (81, 801585), (135, 480951), (141, 460485), (235, 276291), (243, 267195), (379, 171315), (405, 160317), (423, 153495), (705, 92097), (729, 89065), (1137, 57105), (1215, 53439), (1269, 51165), (1895, 34263), (2115, 30699), (3411, 19035), (3645, 17813), (3807, 17055), (5685, 11421), (6345, 10233)]