15142905

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 28080000

約数和(自身を除く): 12937095

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 89, 95, 171, 199, 267, 285, 445, 597, 801, 855, 995, 1335, 1691, 1791, 2985, 3781, 4005, 5073, 8455, 8955, 11343, 15219, 17711, 18905, 25365, 34029, 53133, 56715, 76095, 88555, 159399, 170145, 265665, 336509, 796995, 1009527, 1682545, 3028581, 5047635, 15142905]

約数ペア:

[(1, 15142905), (3, 5047635), (5, 3028581), (9, 1682545), (15, 1009527), (19, 796995), (45, 336509), (57, 265665), (89, 170145), (95, 159399), (171, 88555), (199, 76095), (267, 56715), (285, 53133), (445, 34029), (597, 25365), (801, 18905), (855, 17711), (995, 15219), (1335, 11343), (1691, 8955), (1791, 8455), (2985, 5073), (3781, 4005)]