138670815

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1\times {\mathrm{487}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 228243456

約数和(自身を除く): 89572641

約数列:

[1, 3, 5, 15, 41, 123, 205, 463, 487, 615, 1389, 1461, 2315, 2435, 6945, 7305, 18983, 19967, 56949, 59901, 94915, 99835, 225481, 284745, 299505, 676443, 1127405, 3382215, 9244721, 27734163, 46223605, 138670815]

約数ペア:

[(1, 138670815), (3, 46223605), (5, 27734163), (15, 9244721), (41, 3382215), (123, 1127405), (205, 676443), (463, 299505), (487, 284745), (615, 225481), (1389, 99835), (1461, 94915), (2315, 59901), (2435, 56949), (6945, 19967), (7305, 18983)]