16900245

素因数分解:

$3^4\times 5^1\times {\mathrm{41729}}^1$

素因数の和:41746

約数の個数: 20

約数和(自身を含む): 30295980

約数和(自身を除く): 13395735

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 41729, 125187, 208645, 375561, 625935, 1126683, 1877805, 3380049, 5633415, 16900245]

約数ペア:

[(1, 16900245), (3, 5633415), (5, 3380049), (9, 1877805), (15, 1126683), (27, 625935), (45, 375561), (81, 208645), (135, 125187), (405, 41729)]