258987639

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 383725440

約数和(自身を除く): 124737801

約数列:

[1, 3, 17, 51, 59, 61, 83, 177, 183, 249, 289, 867, 1003, 1037, 1411, 3009, 3111, 3599, 4233, 4897, 5063, 10797, 14691, 15189, 17051, 17629, 23987, 51153, 52887, 61183, 71961, 83249, 86071, 183549, 249747, 258213, 298717, 896151, 1040111, 1415233, 1463207, 3120333, 4245699, 4389621, 5078189, 15234567, 86329213, 258987639]

約数ペア:

[(1, 258987639), (3, 86329213), (17, 15234567), (51, 5078189), (59, 4389621), (61, 4245699), (83, 3120333), (177, 1463207), (183, 1415233), (249, 1040111), (289, 896151), (867, 298717), (1003, 258213), (1037, 249747), (1411, 183549), (3009, 86071), (3111, 83249), (3599, 71961), (4233, 61183), (4897, 52887), (5063, 51153), (10797, 23987), (14691, 17629), (15189, 17051)]