289285281

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{1621}}^1$

素因数の和:1957

約数の個数: 24

約数和(自身を含む): 425093760

約数和(自身を除く): 135808479

約数列:

[1, 3, 9, 79, 237, 251, 711, 753, 1621, 2259, 4863, 14589, 19829, 59487, 128059, 178461, 384177, 406871, 1152531, 1220613, 3661839, 32142809, 96428427, 289285281]

約数ペア:

[(1, 289285281), (3, 96428427), (9, 32142809), (79, 3661839), (237, 1220613), (251, 1152531), (711, 406871), (753, 384177), (1621, 178461), (2259, 128059), (4863, 59487), (14589, 19829)]