287221485

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{1487}}^1$

素因数の和:1737

約数の個数: 32

約数和(自身を含む): 468541440

約数和(自身を除く): 181319955

約数列:

[1, 3, 5, 15, 79, 163, 237, 395, 489, 815, 1185, 1487, 2445, 4461, 7435, 12877, 22305, 38631, 64385, 117473, 193155, 242381, 352419, 587365, 727143, 1211905, 1762095, 3635715, 19148099, 57444297, 95740495, 287221485]

約数ペア:

[(1, 287221485), (3, 95740495), (5, 57444297), (15, 19148099), (79, 3635715), (163, 1762095), (237, 1211905), (395, 727143), (489, 587365), (815, 352419), (1185, 242381), (1487, 193155), (2445, 117473), (4461, 64385), (7435, 38631), (12877, 22305)]