142155

素因数分解:

$3^7\times 5^1\times {\mathrm{13}}^1$

素因数の和:39

約数の個数: 32

約数和(自身を含む): 275520

約数和(自身を除く): 133365

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 243, 351, 405, 585, 729, 1053, 1215, 1755, 2187, 3159, 3645, 5265, 9477, 10935, 15795, 28431, 47385, 142155]

約数ペア:

[(1, 142155), (3, 47385), (5, 28431), (9, 15795), (13, 10935), (15, 9477), (27, 5265), (39, 3645), (45, 3159), (65, 2187), (81, 1755), (117, 1215), (135, 1053), (195, 729), (243, 585), (351, 405)]