28943565

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{743}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 54960768

約数和(自身を除く): 26017203

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 53, 105, 147, 159, 245, 265, 371, 735, 743, 795, 1113, 1855, 2229, 2597, 3715, 5201, 5565, 7791, 11145, 12985, 15603, 26005, 36407, 38955, 39379, 78015, 109221, 118137, 182035, 196895, 275653, 546105, 590685, 826959, 1378265, 1929571, 4134795, 5788713, 9647855, 28943565]

約数ペア:

[(1, 28943565), (3, 9647855), (5, 5788713), (7, 4134795), (15, 1929571), (21, 1378265), (35, 826959), (49, 590685), (53, 546105), (105, 275653), (147, 196895), (159, 182035), (245, 118137), (265, 109221), (371, 78015), (735, 39379), (743, 38955), (795, 36407), (1113, 26005), (1855, 15603), (2229, 12985), (2597, 11145), (3715, 7791), (5201, 5565)]