129987

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:131

約数の個数: 24

約数和(自身を含む): 222768

約数和(自身を除く): 92781

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 101, 117, 143, 303, 429, 909, 1111, 1287, 1313, 3333, 3939, 9999, 11817, 14443, 43329, 129987]

約数ペア:

[(1, 129987), (3, 43329), (9, 14443), (11, 11817), (13, 9999), (33, 3939), (39, 3333), (99, 1313), (101, 1287), (117, 1111), (143, 909), (303, 429)]