2812455

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 5080320

約数和(自身を除く): 2267865

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 135, 249, 251, 415, 747, 753, 1245, 1255, 2241, 2259, 3735, 3765, 6777, 11205, 11295, 20833, 33885, 62499, 104165, 187497, 312495, 562491, 937485, 2812455]

約数ペア:

[(1, 2812455), (3, 937485), (5, 562491), (9, 312495), (15, 187497), (27, 104165), (45, 62499), (83, 33885), (135, 20833), (249, 11295), (251, 11205), (415, 6777), (747, 3765), (753, 3735), (1245, 2259), (1255, 2241)]