25142805

素因数分解:

$3^4\times 5^1\times {\mathrm{62081}}^1$

素因数の和:62098

約数の個数: 20

約数和(自身を含む): 45071532

約数和(自身を除く): 19928727

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 62081, 186243, 310405, 558729, 931215, 1676187, 2793645, 5028561, 8380935, 25142805]

約数ペア:

[(1, 25142805), (3, 8380935), (5, 5028561), (9, 2793645), (15, 1676187), (27, 931215), (45, 558729), (81, 310405), (135, 186243), (405, 62081)]