20160351

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:400

約数の個数: 36

約数和(自身を含む): 32374992

約数和(自身を除く): 12214641

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 289, 337, 391, 867, 1011, 1173, 2601, 3033, 3519, 5729, 6647, 7751, 17187, 19941, 23253, 51561, 59823, 69759, 97393, 131767, 292179, 395301, 876537, 1185903, 2240039, 6720117, 20160351]

約数ペア:

[(1, 20160351), (3, 6720117), (9, 2240039), (17, 1185903), (23, 876537), (51, 395301), (69, 292179), (153, 131767), (207, 97393), (289, 69759), (337, 59823), (391, 51561), (867, 23253), (1011, 19941), (1173, 17187), (2601, 7751), (3033, 6647), (3519, 5729)]