668845215

素因数分解:

$3^3\times 5^1\times {\mathrm{4954409}}^1$

素因数の和:4954423

約数の個数: 16

約数和(自身を含む): 1189058400

約数和(自身を除く): 520213185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 4954409, 14863227, 24772045, 44589681, 74316135, 133769043, 222948405, 668845215]

約数ペア:

[(1, 668845215), (3, 222948405), (5, 133769043), (9, 74316135), (15, 44589681), (27, 24772045), (45, 14863227), (135, 4954409)]