28271904765

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{472261}}^1$

素因数の和:472589

約数の個数: 32

約数和(自身を含む): 48873449856

約数和(自身を除く): 20601545091

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 307, 921, 1535, 3991, 4605, 11973, 19955, 59865, 472261, 1416783, 2361305, 6139393, 7083915, 18418179, 30696965, 92090895, 144984127, 434952381, 724920635, 1884793651, 2174761905, 5654380953, 9423968255, 28271904765]

約数ペア:

[(1, 28271904765), (3, 9423968255), (5, 5654380953), (13, 2174761905), (15, 1884793651), (39, 724920635), (65, 434952381), (195, 144984127), (307, 92090895), (921, 30696965), (1535, 18418179), (3991, 7083915), (4605, 6139393), (11973, 2361305), (19955, 1416783), (59865, 472261)]