1249245

素因数分解:

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

素因数の和:122

約数の個数: 48

約数和(自身を含む): 2426112

約数和(自身を除く): 1176867

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 71, 85, 115, 153, 207, 213, 255, 345, 355, 391, 639, 765, 1035, 1065, 1173, 1207, 1633, 1955, 3195, 3519, 3621, 4899, 5865, 6035, 8165, 10863, 14697, 17595, 18105, 24495, 27761, 54315, 73485, 83283, 138805, 249849, 416415, 1249245]

約数ペア:

[(1, 1249245), (3, 416415), (5, 249849), (9, 138805), (15, 83283), (17, 73485), (23, 54315), (45, 27761), (51, 24495), (69, 18105), (71, 17595), (85, 14697), (115, 10863), (153, 8165), (207, 6035), (213, 5865), (255, 4899), (345, 3621), (355, 3519), (391, 3195), (639, 1955), (765, 1633), (1035, 1207), (1065, 1173)]