56147991

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{317}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 83524608

約数和(自身を除く): 27376617

約数列:

[1, 3, 17, 23, 51, 69, 151, 317, 391, 453, 951, 1173, 2567, 3473, 5389, 7291, 7701, 10419, 16167, 21873, 47867, 59041, 123947, 143601, 177123, 371841, 813739, 1100941, 2441217, 3302823, 18715997, 56147991]

約数ペア:

[(1, 56147991), (3, 18715997), (17, 3302823), (23, 2441217), (51, 1100941), (69, 813739), (151, 371841), (317, 177123), (391, 143601), (453, 123947), (951, 59041), (1173, 47867), (2567, 21873), (3473, 16167), (5389, 10419), (7291, 7701)]