28365051

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1787}}^1$

素因数の和:1851

約数の個数: 32

約数和(自身を含む): 45658368

約数和(自身を除く): 17293317

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 1221, 1443, 1787, 5291, 5361, 15873, 19657, 23231, 58971, 66119, 69693, 198357, 255541, 727309, 766623, 859547, 2181927, 2578641, 9455017, 28365051]

約数ペア:

[(1, 28365051), (3, 9455017), (11, 2578641), (13, 2181927), (33, 859547), (37, 766623), (39, 727309), (111, 255541), (143, 198357), (407, 69693), (429, 66119), (481, 58971), (1221, 23231), (1443, 19657), (1787, 15873), (5291, 5361)]