28384335

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{359}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 28224945

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 251, 315, 359, 753, 1077, 1255, 1757, 1795, 2259, 2513, 3231, 3765, 5271, 5385, 7539, 8785, 11295, 12565, 15813, 16155, 22617, 26355, 37695, 79065, 90109, 113085, 270327, 450545, 630763, 810981, 1351635, 1892289, 3153815, 4054905, 5676867, 9461445, 28384335]

約数ペア:

[(1, 28384335), (3, 9461445), (5, 5676867), (7, 4054905), (9, 3153815), (15, 1892289), (21, 1351635), (35, 810981), (45, 630763), (63, 450545), (105, 270327), (251, 113085), (315, 90109), (359, 79065), (753, 37695), (1077, 26355), (1255, 22617), (1757, 16155), (1795, 15813), (2259, 12565), (2513, 11295), (3231, 8785), (3765, 7539), (5271, 5385)]