319721805

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{2473}}^1$

素因数の和:2527

約数の個数: 72

約数和(自身を含む): 635649768

約数和(自身を除く): 315927963

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 169, 195, 221, 255, 507, 585, 663, 765, 845, 1105, 1521, 1989, 2473, 2535, 2873, 3315, 7419, 7605, 8619, 9945, 12365, 14365, 22257, 25857, 32149, 37095, 42041, 43095, 96447, 111285, 126123, 129285, 160745, 210205, 289341, 378369, 417937, 482235, 546533, 630615, 1253811, 1446705, 1639599, 1891845, 2089685, 2732665, 3761433, 4918797, 6269055, 7104929, 8197995, 18807165, 21314787, 24593985, 35524645, 63944361, 106573935, 319721805]

約数ペア:

[(1, 319721805), (3, 106573935), (5, 63944361), (9, 35524645), (13, 24593985), (15, 21314787), (17, 18807165), (39, 8197995), (45, 7104929), (51, 6269055), (65, 4918797), (85, 3761433), (117, 2732665), (153, 2089685), (169, 1891845), (195, 1639599), (221, 1446705), (255, 1253811), (507, 630615), (585, 546533), (663, 482235), (765, 417937), (845, 378369), (1105, 289341), (1521, 210205), (1989, 160745), (2473, 129285), (2535, 126123), (2873, 111285), (3315, 96447), (7419, 43095), (7605, 42041), (8619, 37095), (9945, 32149), (12365, 25857), (14365, 22257)]