16808895

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5261}}^1$

素因数の和:5343

約数の個数: 24

約数和(自身を含む): 29551392

約数和(自身を除く): 12742497

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 5261, 15783, 26305, 47349, 78915, 236745, 373531, 1120593, 1867655, 3361779, 5602965, 16808895]

約数ペア:

[(1, 16808895), (3, 5602965), (5, 3361779), (9, 1867655), (15, 1120593), (45, 373531), (71, 236745), (213, 78915), (355, 47349), (639, 26305), (1065, 15783), (3195, 5261)]