138386985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{28921}}^1$

素因数の和:28969

約数の個数: 32

約数和(自身を含む): 249886080

約数和(自身を除く): 111499095

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 319, 435, 957, 1595, 4785, 28921, 86763, 144605, 318131, 433815, 838709, 954393, 1590655, 2516127, 4193545, 4771965, 9225799, 12580635, 27677397, 46128995, 138386985]

約数ペア:

[(1, 138386985), (3, 46128995), (5, 27677397), (11, 12580635), (15, 9225799), (29, 4771965), (33, 4193545), (55, 2516127), (87, 1590655), (145, 954393), (165, 838709), (319, 433815), (435, 318131), (957, 144605), (1595, 86763), (4785, 28921)]