127913985

素因数分解:

$3^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1847}}^1$

素因数の和:1889

約数の個数: 56

約数和(自身を含む): 242383680

約数和(自身を除く): 114469695

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 243, 285, 405, 513, 729, 855, 1215, 1539, 1847, 2565, 3645, 4617, 5541, 7695, 9235, 13851, 16623, 23085, 27705, 35093, 49869, 69255, 83115, 105279, 149607, 175465, 249345, 315837, 448821, 526395, 748035, 947511, 1346463, 1579185, 2244105, 2842533, 4737555, 6732315, 8527599, 14212665, 25582797, 42637995, 127913985]

約数ペア:

[(1, 127913985), (3, 42637995), (5, 25582797), (9, 14212665), (15, 8527599), (19, 6732315), (27, 4737555), (45, 2842533), (57, 2244105), (81, 1579185), (95, 1346463), (135, 947511), (171, 748035), (243, 526395), (285, 448821), (405, 315837), (513, 249345), (729, 175465), (855, 149607), (1215, 105279), (1539, 83115), (1847, 69255), (2565, 49869), (3645, 35093), (4617, 27705), (5541, 23085), (7695, 16623), (9235, 13851)]