16211511

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{151}}^2$

素因数の和:387

約数の個数: 18

約数和(自身を含む): 23871120

約数和(自身を除く): 7659609

約数列:

[1, 3, 9, 79, 151, 237, 453, 711, 1359, 11929, 22801, 35787, 68403, 107361, 205209, 1801279, 5403837, 16211511]

約数ペア:

[(1, 16211511), (3, 5403837), (9, 1801279), (79, 205209), (151, 107361), (237, 68403), (453, 35787), (711, 22801), (1359, 11929)]