291247143

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{2083}}^1$

素因数の和:2339

約数の個数: 32

約数和(自身を含む): 448143360

約数和(自身を除く): 156896217

約数列:

[1, 3, 11, 19, 33, 57, 209, 223, 627, 669, 2083, 2453, 4237, 6249, 7359, 12711, 22913, 39577, 46607, 68739, 118731, 139821, 435347, 464509, 1306041, 1393527, 5109599, 8825671, 15328797, 26477013, 97082381, 291247143]

約数ペア:

[(1, 291247143), (3, 97082381), (11, 26477013), (19, 15328797), (33, 8825671), (57, 5109599), (209, 1393527), (223, 1306041), (627, 464509), (669, 435347), (2083, 139821), (2453, 118731), (4237, 68739), (6249, 46607), (7359, 39577), (12711, 22913)]