15985905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1123}}^1$

素因数の和:1217

約数の個数: 32

約数和(自身を含む): 27947136

約数和(自身を除く): 11961231

約数列:

[1, 3, 5, 13, 15, 39, 65, 73, 195, 219, 365, 949, 1095, 1123, 2847, 3369, 4745, 5615, 14235, 14599, 16845, 43797, 72995, 81979, 218985, 245937, 409895, 1065727, 1229685, 3197181, 5328635, 15985905]

約数ペア:

[(1, 15985905), (3, 5328635), (5, 3197181), (13, 1229685), (15, 1065727), (39, 409895), (65, 245937), (73, 218985), (195, 81979), (219, 72995), (365, 43797), (949, 16845), (1095, 14599), (1123, 14235), (2847, 5615), (3369, 4745)]