15339915

素因数分解:

$3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{571}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 27456000

約数和(自身を除く): 12116085

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 199, 571, 597, 995, 1713, 1791, 2855, 2985, 5139, 5373, 8565, 8955, 15417, 25695, 26865, 77085, 113629, 340887, 568145, 1022661, 1704435, 3067983, 5113305, 15339915]

約数ペア:

[(1, 15339915), (3, 5113305), (5, 3067983), (9, 1704435), (15, 1022661), (27, 568145), (45, 340887), (135, 113629), (199, 77085), (571, 26865), (597, 25695), (995, 15417), (1713, 8955), (1791, 8565), (2855, 5373), (2985, 5139)]