16838925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 30212352

約数和(自身を除く): 13373427

約数列:

[1, 3, 5, 15, 17, 25, 47, 51, 75, 85, 141, 235, 255, 281, 425, 705, 799, 843, 1175, 1275, 1405, 2397, 3525, 3995, 4215, 4777, 7025, 11985, 13207, 14331, 19975, 21075, 23885, 39621, 59925, 66035, 71655, 119425, 198105, 224519, 330175, 358275, 673557, 990525, 1122595, 3367785, 5612975, 16838925]

約数ペア:

[(1, 16838925), (3, 5612975), (5, 3367785), (15, 1122595), (17, 990525), (25, 673557), (47, 358275), (51, 330175), (75, 224519), (85, 198105), (141, 119425), (235, 71655), (255, 66035), (281, 59925), (425, 39621), (705, 23885), (799, 21075), (843, 19975), (1175, 14331), (1275, 13207), (1405, 11985), (2397, 7025), (3525, 4777), (3995, 4215)]