128545455

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{1061}}^1$

素因数の和:1307

約数の個数: 32

約数和(自身を含む): 211958208

約数和(自身を除く): 83412753

約数列:

[1, 3, 5, 15, 41, 123, 197, 205, 591, 615, 985, 1061, 2955, 3183, 5305, 8077, 15915, 24231, 40385, 43501, 121155, 130503, 209017, 217505, 627051, 652515, 1045085, 3135255, 8569697, 25709091, 42848485, 128545455]

約数ペア:

[(1, 128545455), (3, 42848485), (5, 25709091), (15, 8569697), (41, 3135255), (123, 1045085), (197, 652515), (205, 627051), (591, 217505), (615, 209017), (985, 130503), (1061, 121155), (2955, 43501), (3183, 40385), (5305, 24231), (8077, 15915)]