28840245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 56733696

約数和(自身を除く): 27893451

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 107, 119, 151, 255, 321, 357, 453, 535, 595, 749, 755, 1057, 1605, 1785, 1819, 2247, 2265, 2567, 3171, 3745, 5285, 5457, 7701, 9095, 11235, 12733, 12835, 15855, 16157, 17969, 27285, 38199, 38505, 48471, 53907, 63665, 80785, 89845, 113099, 190995, 242355, 269535, 274669, 339297, 565495, 824007, 1373345, 1696485, 1922683, 4120035, 5768049, 9613415, 28840245]

約数ペア:

[(1, 28840245), (3, 9613415), (5, 5768049), (7, 4120035), (15, 1922683), (17, 1696485), (21, 1373345), (35, 824007), (51, 565495), (85, 339297), (105, 274669), (107, 269535), (119, 242355), (151, 190995), (255, 113099), (321, 89845), (357, 80785), (453, 63665), (535, 53907), (595, 48471), (749, 38505), (755, 38199), (1057, 27285), (1605, 17969), (1785, 16157), (1819, 15855), (2247, 12835), (2265, 12733), (2567, 11235), (3171, 9095), (3745, 7701), (5285, 5457)]