189407205

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1627}}^1$

素因数の和:1850

約数の個数: 48

約数和(自身を含む): 355555200

約数和(自身を除く): 166147995

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 199, 585, 597, 995, 1627, 1791, 2587, 2985, 4881, 7761, 8135, 8955, 12935, 14643, 21151, 23283, 24405, 38805, 63453, 73215, 105755, 116415, 190359, 317265, 323773, 951795, 971319, 1618865, 2913957, 4209049, 4856595, 12627147, 14569785, 21045245, 37881441, 63135735, 189407205]

約数ペア:

[(1, 189407205), (3, 63135735), (5, 37881441), (9, 21045245), (13, 14569785), (15, 12627147), (39, 4856595), (45, 4209049), (65, 2913957), (117, 1618865), (195, 971319), (199, 951795), (585, 323773), (597, 317265), (995, 190359), (1627, 116415), (1791, 105755), (2587, 73215), (2985, 63453), (4881, 38805), (7761, 24405), (8135, 23283), (8955, 21151), (12935, 14643)]