28861443

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 47305440

約数和(自身を除く): 18443997

約数列:

[1, 3, 9, 13, 37, 39, 59, 111, 113, 117, 177, 333, 339, 481, 531, 767, 1017, 1443, 1469, 2183, 2301, 4181, 4329, 4407, 6549, 6667, 6903, 12543, 13221, 19647, 20001, 28379, 37629, 54353, 60003, 85137, 86671, 163059, 246679, 255411, 260013, 489177, 740037, 780039, 2220111, 3206827, 9620481, 28861443]

約数ペア:

[(1, 28861443), (3, 9620481), (9, 3206827), (13, 2220111), (37, 780039), (39, 740037), (59, 489177), (111, 260013), (113, 255411), (117, 246679), (177, 163059), (333, 86671), (339, 85137), (481, 60003), (531, 54353), (767, 37629), (1017, 28379), (1443, 20001), (1469, 19647), (2183, 13221), (2301, 12543), (4181, 6903), (4329, 6667), (4407, 6549)]