28497105

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6959}}^1$

素因数の和:6990

約数の個数: 48

約数和(自身を含む): 60802560

約数和(自身を除く): 32305455

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 6959, 20877, 34795, 48713, 62631, 90467, 104385, 146139, 243565, 271401, 313155, 438417, 452335, 633269, 730695, 814203, 1357005, 1899807, 2192085, 3166345, 4071015, 5699421, 9499035, 28497105]

約数ペア:

[(1, 28497105), (3, 9499035), (5, 5699421), (7, 4071015), (9, 3166345), (13, 2192085), (15, 1899807), (21, 1357005), (35, 814203), (39, 730695), (45, 633269), (63, 452335), (65, 438417), (91, 313155), (105, 271401), (117, 243565), (195, 146139), (273, 104385), (315, 90467), (455, 62631), (585, 48713), (819, 34795), (1365, 20877), (4095, 6959)]