205138899

素因数分解:

$3^5\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1453}}^1$

素因数の和:1558

約数の個数: 48

約数和(自身を含む): 355660032

約数和(自身を除く): 150521133

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 83, 189, 243, 249, 567, 581, 747, 1453, 1701, 1743, 2241, 4359, 5229, 6723, 10171, 13077, 15687, 20169, 30513, 39231, 47061, 91539, 117693, 120599, 141183, 274617, 353079, 361797, 823851, 844193, 1085391, 2471553, 2532579, 3256173, 7597737, 9768519, 22793211, 29305557, 68379633, 205138899]

約数ペア:

[(1, 205138899), (3, 68379633), (7, 29305557), (9, 22793211), (21, 9768519), (27, 7597737), (63, 3256173), (81, 2532579), (83, 2471553), (189, 1085391), (243, 844193), (249, 823851), (567, 361797), (581, 353079), (747, 274617), (1453, 141183), (1701, 120599), (1743, 117693), (2241, 91539), (4359, 47061), (5229, 39231), (6723, 30513), (10171, 20169), (13077, 15687)]