28663911

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2347}}^1$

素因数の和:2435

約数の個数: 24

約数和(自身を含む): 43954560

約数和(自身を除く): 15290649

約数列:

[1, 3, 9, 23, 59, 69, 177, 207, 531, 1357, 2347, 4071, 7041, 12213, 21123, 53981, 138473, 161943, 415419, 485829, 1246257, 3184879, 9554637, 28663911]

約数ペア:

[(1, 28663911), (3, 9554637), (9, 3184879), (23, 1246257), (59, 485829), (69, 415419), (177, 161943), (207, 138473), (531, 53981), (1357, 21123), (2347, 12213), (4071, 7041)]