16996395

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2027}}^1$

素因数の和:2091

約数の個数: 32

約数和(自身を含む): 29981952

約数和(自身を除く): 12985557

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2027, 2795, 6081, 8385, 10135, 26351, 30405, 79053, 87161, 131755, 261483, 395265, 435805, 1133093, 1307415, 3399279, 5665465, 16996395]

約数ペア:

[(1, 16996395), (3, 5665465), (5, 3399279), (13, 1307415), (15, 1133093), (39, 435805), (43, 395265), (65, 261483), (129, 131755), (195, 87161), (215, 79053), (559, 30405), (645, 26351), (1677, 10135), (2027, 8385), (2795, 6081)]