31872946287

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{21379}}^1$

素因数の和:21572

約数の個数: 64

約数和(自身を含む): 53944647680

約数和(自身を除く): 22071701393

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 127, 129, 273, 301, 381, 559, 889, 903, 1651, 1677, 2667, 3913, 4953, 5461, 11557, 11739, 16383, 21379, 34671, 38227, 64137, 70993, 114681, 149653, 212979, 277927, 448959, 496951, 833781, 919297, 1490853, 1945489, 2715133, 2757891, 5836467, 6435079, 8145399, 11950861, 19005931, 19305237, 35296729, 35852583, 57017793, 83656027, 105890187, 116750719, 247077103, 250968081, 350252157, 741231309, 817255033, 1517759347, 2451765099, 4553278041, 10624315429, 31872946287]

約数ペア:

[(1, 31872946287), (3, 10624315429), (7, 4553278041), (13, 2451765099), (21, 1517759347), (39, 817255033), (43, 741231309), (91, 350252157), (127, 250968081), (129, 247077103), (273, 116750719), (301, 105890187), (381, 83656027), (559, 57017793), (889, 35852583), (903, 35296729), (1651, 19305237), (1677, 19005931), (2667, 11950861), (3913, 8145399), (4953, 6435079), (5461, 5836467), (11557, 2757891), (11739, 2715133), (16383, 1945489), (21379, 1490853), (34671, 919297), (38227, 833781), (64137, 496951), (70993, 448959), (114681, 277927), (149653, 212979)]