39999015

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{4703}}^1$

素因数の和:4730

約数の個数: 48

約数和(自身を含む): 82188288

約数和(自身を除く): 42189273

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 945, 1215, 1701, 2835, 4703, 8505, 14109, 23515, 32921, 42327, 70545, 98763, 126981, 164605, 211635, 296289, 380943, 493815, 634905, 888867, 1142829, 1481445, 1904715, 2666601, 4444335, 5714145, 7999803, 13333005, 39999015]

約数ペア:

[(1, 39999015), (3, 13333005), (5, 7999803), (7, 5714145), (9, 4444335), (15, 2666601), (21, 1904715), (27, 1481445), (35, 1142829), (45, 888867), (63, 634905), (81, 493815), (105, 380943), (135, 296289), (189, 211635), (243, 164605), (315, 126981), (405, 98763), (567, 70545), (945, 42327), (1215, 32921), (1701, 23515), (2835, 14109), (4703, 8505)]