28732635

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 55901664

約数和(自身を除く): 27169029

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 71, 85, 115, 153, 207, 213, 255, 345, 355, 391, 529, 639, 765, 1035, 1065, 1173, 1207, 1587, 1633, 1955, 2645, 3195, 3519, 3621, 4761, 4899, 5865, 6035, 7935, 8165, 8993, 10863, 14697, 17595, 18105, 23805, 24495, 26979, 27761, 37559, 44965, 54315, 73485, 80937, 83283, 112677, 134895, 138805, 187795, 249849, 338031, 404685, 416415, 563385, 638503, 1249245, 1690155, 1915509, 3192515, 5746527, 9577545, 28732635]

約数ペア:

[(1, 28732635), (3, 9577545), (5, 5746527), (9, 3192515), (15, 1915509), (17, 1690155), (23, 1249245), (45, 638503), (51, 563385), (69, 416415), (71, 404685), (85, 338031), (115, 249849), (153, 187795), (207, 138805), (213, 134895), (255, 112677), (345, 83283), (355, 80937), (391, 73485), (529, 54315), (639, 44965), (765, 37559), (1035, 27761), (1065, 26979), (1173, 24495), (1207, 23805), (1587, 18105), (1633, 17595), (1955, 14697), (2645, 10863), (3195, 8993), (3519, 8165), (3621, 7935), (4761, 6035), (4899, 5865)]