305642151

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 480205440

約数和(自身を除く): 174563289

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 197, 211, 387, 591, 633, 817, 1773, 1899, 2451, 3743, 4009, 7353, 8471, 9073, 11229, 12027, 25413, 27219, 33687, 36081, 41567, 76239, 81657, 124701, 160949, 172387, 374103, 482847, 517161, 789773, 1448541, 1551483, 1787381, 2369319, 5362143, 7107957, 16086429, 33960239, 101880717, 305642151]

約数ペア:

[(1, 305642151), (3, 101880717), (9, 33960239), (19, 16086429), (43, 7107957), (57, 5362143), (129, 2369319), (171, 1787381), (197, 1551483), (211, 1448541), (387, 789773), (591, 517161), (633, 482847), (817, 374103), (1773, 172387), (1899, 160949), (2451, 124701), (3743, 81657), (4009, 76239), (7353, 41567), (8471, 36081), (9073, 33687), (11229, 27219), (12027, 25413)]