209220105

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^4\times {\mathrm{167}}^1$

素因数の和:243

約数の個数: 40

約数和(自身を含む): 357803712

約数和(自身を除く): 148583607

約数列:

[1, 3, 5, 15, 17, 51, 85, 167, 255, 289, 501, 835, 867, 1445, 2505, 2839, 4335, 4913, 8517, 14195, 14739, 24565, 42585, 48263, 73695, 83521, 144789, 241315, 250563, 417605, 723945, 820471, 1252815, 2461413, 4102355, 12307065, 13948007, 41844021, 69740035, 209220105]

約数ペア:

[(1, 209220105), (3, 69740035), (5, 41844021), (15, 13948007), (17, 12307065), (51, 4102355), (85, 2461413), (167, 1252815), (255, 820471), (289, 723945), (501, 417605), (835, 250563), (867, 241315), (1445, 144789), (2505, 83521), (2839, 73695), (4335, 48263), (4913, 42585), (8517, 24565), (14195, 14739)]