13808289

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 21187584

約数和(自身を除く): 7379295

約数列:

[1, 3, 11, 33, 37, 43, 111, 129, 263, 407, 473, 789, 1221, 1419, 1591, 2893, 4773, 8679, 9731, 11309, 17501, 29193, 33927, 52503, 107041, 124399, 321123, 373197, 418433, 1255299, 4602763, 13808289]

約数ペア:

[(1, 13808289), (3, 4602763), (11, 1255299), (33, 418433), (37, 373197), (43, 321123), (111, 124399), (129, 107041), (263, 52503), (407, 33927), (473, 29193), (789, 17501), (1221, 11309), (1419, 9731), (1591, 8679), (2893, 4773)]