16827825

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 34209120

約数和(自身を除く): 17381295

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 49, 57, 75, 95, 105, 133, 147, 175, 241, 245, 285, 399, 475, 525, 665, 723, 735, 931, 1205, 1225, 1425, 1687, 1995, 2793, 3325, 3615, 3675, 4579, 4655, 5061, 6025, 8435, 9975, 11809, 13737, 13965, 18075, 22895, 23275, 25305, 32053, 35427, 42175, 59045, 68685, 69825, 96159, 114475, 126525, 160265, 177135, 224371, 295225, 343425, 480795, 673113, 801325, 885675, 1121855, 2403975, 3365565, 5609275, 16827825]

約数ペア:

[(1, 16827825), (3, 5609275), (5, 3365565), (7, 2403975), (15, 1121855), (19, 885675), (21, 801325), (25, 673113), (35, 480795), (49, 343425), (57, 295225), (75, 224371), (95, 177135), (105, 160265), (133, 126525), (147, 114475), (175, 96159), (241, 69825), (245, 68685), (285, 59045), (399, 42175), (475, 35427), (525, 32053), (665, 25305), (723, 23275), (735, 22895), (931, 18075), (1205, 13965), (1225, 13737), (1425, 11809), (1687, 9975), (1995, 8435), (2793, 6025), (3325, 5061), (3615, 4655), (3675, 4579)]