65438685

素因数分解:

$3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1417

約数の個数: 56

約数和(自身を含む): 126884184

約数和(自身を除く): 61445499

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 243, 351, 405, 585, 729, 1053, 1215, 1381, 1755, 3159, 3645, 4143, 5265, 6905, 9477, 12429, 15795, 17953, 20715, 37287, 47385, 53859, 62145, 89765, 111861, 161577, 186435, 269295, 335583, 484731, 559305, 807885, 1006749, 1454193, 1677915, 2423655, 4362579, 5033745, 7270965, 13087737, 21812895, 65438685]

約数ペア:

[(1, 65438685), (3, 21812895), (5, 13087737), (9, 7270965), (13, 5033745), (15, 4362579), (27, 2423655), (39, 1677915), (45, 1454193), (65, 1006749), (81, 807885), (117, 559305), (135, 484731), (195, 335583), (243, 269295), (351, 186435), (405, 161577), (585, 111861), (729, 89765), (1053, 62145), (1215, 53859), (1381, 47385), (1755, 37287), (3159, 20715), (3645, 17953), (4143, 15795), (5265, 12429), (6905, 9477)]