128224161

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{911}}^1$

素因数の和:1334

約数の個数: 32

約数和(自身を含む): 205309440

約数和(自身を除く): 77085279

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 401, 911, 1203, 2733, 3609, 5213, 8199, 10827, 11843, 15639, 24597, 35529, 46917, 106587, 140751, 319761, 365311, 1095933, 3287799, 4749043, 9863397, 14247129, 42741387, 128224161]

約数ペア:

[(1, 128224161), (3, 42741387), (9, 14247129), (13, 9863397), (27, 4749043), (39, 3287799), (117, 1095933), (351, 365311), (401, 319761), (911, 140751), (1203, 106587), (2733, 46917), (3609, 35529), (5213, 24597), (8199, 15639), (10827, 11843)]