201955455

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3559}}^1$

素因数の和:3680

約数の個数: 48

約数和(自身を含む): 380976960

約数和(自身を除く): 179021505

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 97, 117, 195, 291, 485, 585, 873, 1261, 1455, 3559, 3783, 4365, 6305, 10677, 11349, 17795, 18915, 32031, 46267, 53385, 56745, 138801, 160155, 231335, 345223, 416403, 694005, 1035669, 1726115, 2082015, 3107007, 4487899, 5178345, 13463697, 15535035, 22439495, 40391091, 67318485, 201955455]

約数ペア:

[(1, 201955455), (3, 67318485), (5, 40391091), (9, 22439495), (13, 15535035), (15, 13463697), (39, 5178345), (45, 4487899), (65, 3107007), (97, 2082015), (117, 1726115), (195, 1035669), (291, 694005), (485, 416403), (585, 345223), (873, 231335), (1261, 160155), (1455, 138801), (3559, 56745), (3783, 53385), (4365, 46267), (6305, 32031), (10677, 18915), (11349, 17795)]