266985261

素因数分解:

$3^3\times {\mathrm{509}}^1\times {\mathrm{19427}}^1$

素因数の和:19945

約数の個数: 16

約数和(自身を含む): 396331200

約数和(自身を除く): 129345939

約数列:

[1, 3, 9, 27, 509, 1527, 4581, 13743, 19427, 58281, 174843, 524529, 9888343, 29665029, 88995087, 266985261]

約数ペア:

[(1, 266985261), (3, 88995087), (9, 29665029), (27, 9888343), (509, 524529), (1527, 174843), (4581, 58281), (13743, 19427)]