28485351

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:337

約数の個数: 40

約数和(自身を含む): 45534720

約数和(自身を除く): 17049369

約数列:

[1, 3, 9, 19, 27, 57, 81, 83, 171, 223, 249, 513, 669, 747, 1539, 1577, 2007, 2241, 4237, 4731, 6021, 6723, 12711, 14193, 18063, 18509, 38133, 42579, 55527, 114399, 127737, 166581, 343197, 351671, 499743, 1055013, 1499229, 3165039, 9495117, 28485351]

約数ペア:

[(1, 28485351), (3, 9495117), (9, 3165039), (19, 1499229), (27, 1055013), (57, 499743), (81, 351671), (83, 343197), (171, 166581), (223, 127737), (249, 114399), (513, 55527), (669, 42579), (747, 38133), (1539, 18509), (1577, 18063), (2007, 14193), (2241, 12711), (4237, 6723), (4731, 6021)]