17901663

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 28670976

約数和(自身を除く): 10769313

約数列:

[1, 3, 13, 17, 31, 39, 51, 67, 93, 169, 201, 221, 403, 507, 527, 663, 871, 1139, 1209, 1581, 2077, 2613, 2873, 3417, 5239, 6231, 6851, 8619, 11323, 14807, 15717, 20553, 27001, 33969, 35309, 44421, 81003, 89063, 105927, 192491, 267189, 351013, 459017, 577473, 1053039, 1377051, 5967221, 17901663]

約数ペア:

[(1, 17901663), (3, 5967221), (13, 1377051), (17, 1053039), (31, 577473), (39, 459017), (51, 351013), (67, 267189), (93, 192491), (169, 105927), (201, 89063), (221, 81003), (403, 44421), (507, 35309), (527, 33969), (663, 27001), (871, 20553), (1139, 15717), (1209, 14807), (1581, 11323), (2077, 8619), (2613, 6851), (2873, 6231), (3417, 5239)]