199972395

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{70537}}^1$

素因数の和:70561

約数の個数: 40

約数和(自身を含む): 409684704

約数和(自身を除く): 209712309

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 70537, 211611, 352685, 493759, 634833, 1058055, 1481277, 1904499, 2468795, 3174165, 4443831, 5713497, 7406385, 9522495, 13331493, 22219155, 28567485, 39994479, 66657465, 199972395]

約数ペア:

[(1, 199972395), (3, 66657465), (5, 39994479), (7, 28567485), (9, 22219155), (15, 13331493), (21, 9522495), (27, 7406385), (35, 5713497), (45, 4443831), (63, 3174165), (81, 2468795), (105, 1904499), (135, 1481277), (189, 1058055), (315, 634833), (405, 493759), (567, 352685), (945, 211611), (2835, 70537)]