15663784275

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{61121}}^1$

素因数の和:61221

約数の個数: 72

約数和(自身を含む): 30149771184

約数和(自身を除く): 14485986909

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 67, 75, 85, 153, 201, 225, 255, 335, 425, 603, 765, 1005, 1139, 1275, 1675, 3015, 3417, 3825, 5025, 5695, 10251, 15075, 17085, 28475, 51255, 61121, 85425, 183363, 256275, 305605, 550089, 916815, 1039057, 1528025, 2750445, 3117171, 4095107, 4584075, 5195285, 9351513, 12285321, 13752225, 15585855, 20475535, 25976425, 36855963, 46757565, 61426605, 69616819, 77929275, 102377675, 184279815, 208850457, 233787825, 307133025, 348084095, 626551371, 921399075, 1044252285, 1740420475, 3132756855, 5221261425, 15663784275]

約数ペア:

[(1, 15663784275), (3, 5221261425), (5, 3132756855), (9, 1740420475), (15, 1044252285), (17, 921399075), (25, 626551371), (45, 348084095), (51, 307133025), (67, 233787825), (75, 208850457), (85, 184279815), (153, 102377675), (201, 77929275), (225, 69616819), (255, 61426605), (335, 46757565), (425, 36855963), (603, 25976425), (765, 20475535), (1005, 15585855), (1139, 13752225), (1275, 12285321), (1675, 9351513), (3015, 5195285), (3417, 4584075), (3825, 4095107), (5025, 3117171), (5695, 2750445), (10251, 1528025), (15075, 1039057), (17085, 916815), (28475, 550089), (51255, 305605), (61121, 256275), (85425, 183363)]