198645

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:85

約数の個数: 32

約数和(自身を含む): 362880

約数和(自身を除く): 164235

約数列:

[1, 3, 5, 15, 17, 19, 41, 51, 57, 85, 95, 123, 205, 255, 285, 323, 615, 697, 779, 969, 1615, 2091, 2337, 3485, 3895, 4845, 10455, 11685, 13243, 39729, 66215, 198645]

約数ペア:

[(1, 198645), (3, 66215), (5, 39729), (15, 13243), (17, 11685), (19, 10455), (41, 4845), (51, 3895), (57, 3485), (85, 2337), (95, 2091), (123, 1615), (205, 969), (255, 779), (285, 697), (323, 615)]