28151955

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5347}}^1$

素因数の和:5377

約数の個数: 40

約数和(自身を含む): 54357072

約数和(自身を除く): 26205117

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 5265, 5347, 16041, 26735, 48123, 69511, 80205, 144369, 208533, 240615, 347555, 433107, 625599, 721845, 1042665, 1876797, 2165535, 3127995, 5630391, 9383985, 28151955]

約数ペア:

[(1, 28151955), (3, 9383985), (5, 5630391), (9, 3127995), (13, 2165535), (15, 1876797), (27, 1042665), (39, 721845), (45, 625599), (65, 433107), (81, 347555), (117, 240615), (135, 208533), (195, 144369), (351, 80205), (405, 69511), (585, 48123), (1053, 26735), (1755, 16041), (5265, 5347)]