16816215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1039}}^1$

素因数の和:1143

約数の個数: 32

約数和(自身を含む): 29352960

約数和(自身を除く): 12536745

約数列:

[1, 3, 5, 13, 15, 39, 65, 83, 195, 249, 415, 1039, 1079, 1245, 3117, 3237, 5195, 5395, 13507, 15585, 16185, 40521, 67535, 86237, 202605, 258711, 431185, 1121081, 1293555, 3363243, 5605405, 16816215]

約数ペア:

[(1, 16816215), (3, 5605405), (5, 3363243), (13, 1293555), (15, 1121081), (39, 431185), (65, 258711), (83, 202605), (195, 86237), (249, 67535), (415, 40521), (1039, 16185), (1079, 15585), (1245, 13507), (3117, 5395), (3237, 5195)]