51886575

素因数分解:

$3^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:117

約数の個数: 96

約数和(自身を含む): 105340480

約数和(自身を除く): 53453905

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 73, 75, 81, 117, 135, 195, 219, 225, 243, 325, 351, 365, 405, 585, 657, 675, 729, 949, 975, 1053, 1095, 1215, 1755, 1825, 1971, 2025, 2187, 2847, 2925, 3159, 3285, 3645, 4745, 5265, 5475, 5913, 6075, 8541, 8775, 9477, 9855, 10935, 14235, 15795, 16425, 17739, 18225, 23725, 25623, 26325, 28431, 29565, 42705, 47385, 49275, 53217, 54675, 71175, 76869, 78975, 88695, 128115, 142155, 147825, 159651, 213525, 230607, 236925, 266085, 384345, 443475, 640575, 691821, 710775, 798255, 1153035, 1330425, 1921725, 2075463, 3459105, 3991275, 5765175, 10377315, 17295525, 51886575]

約数ペア:

[(1, 51886575), (3, 17295525), (5, 10377315), (9, 5765175), (13, 3991275), (15, 3459105), (25, 2075463), (27, 1921725), (39, 1330425), (45, 1153035), (65, 798255), (73, 710775), (75, 691821), (81, 640575), (117, 443475), (135, 384345), (195, 266085), (219, 236925), (225, 230607), (243, 213525), (325, 159651), (351, 147825), (365, 142155), (405, 128115), (585, 88695), (657, 78975), (675, 76869), (729, 71175), (949, 54675), (975, 53217), (1053, 49275), (1095, 47385), (1215, 42705), (1755, 29565), (1825, 28431), (1971, 26325), (2025, 25623), (2187, 23725), (2847, 18225), (2925, 17739), (3159, 16425), (3285, 15795), (3645, 14235), (4745, 10935), (5265, 9855), (5475, 9477), (5913, 8775), (6075, 8541)]