28703955

素因数分解:

$3^1\times 5^1\times 7^4\times {\mathrm{797}}^1$

素因数の和:833

約数の個数: 40

約数和(自身を含む): 53644752

約数和(自身を除く): 24940797

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 797, 1029, 1715, 2391, 2401, 3985, 5145, 5579, 7203, 11955, 12005, 16737, 27895, 36015, 39053, 83685, 117159, 195265, 273371, 585795, 820113, 1366855, 1913597, 4100565, 5740791, 9567985, 28703955]

約数ペア:

[(1, 28703955), (3, 9567985), (5, 5740791), (7, 4100565), (15, 1913597), (21, 1366855), (35, 820113), (49, 585795), (105, 273371), (147, 195265), (245, 117159), (343, 83685), (735, 39053), (797, 36015), (1029, 27895), (1715, 16737), (2391, 12005), (2401, 11955), (3985, 7203), (5145, 5579)]