261013203

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{138763}}^1$

素因数の和:138799

約数の個数: 24

約数和(自身を含む): 432943680

約数和(自身を除く): 171930477

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 138763, 416289, 1248867, 1526393, 2636497, 4579179, 7909491, 13737537, 23728473, 29001467, 87004401, 261013203]

約数ペア:

[(1, 261013203), (3, 87004401), (9, 29001467), (11, 23728473), (19, 13737537), (33, 7909491), (57, 4579179), (99, 2636497), (171, 1526393), (209, 1248867), (627, 416289), (1881, 138763)]