31155033

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 24486567

約数列:

[1, 3, 7, 13, 17, 21, 39, 49, 51, 91, 119, 137, 147, 221, 273, 343, 357, 411, 637, 663, 833, 959, 1029, 1547, 1781, 1911, 2329, 2499, 2877, 4459, 4641, 5343, 5831, 6713, 6987, 10829, 12467, 13377, 16303, 17493, 20139, 30277, 32487, 37401, 46991, 48909, 75803, 87269, 90831, 114121, 140973, 211939, 227409, 261807, 342363, 610883, 635817, 798847, 1483573, 1832649, 2396541, 4450719, 10385011, 31155033]

約数ペア:

[(1, 31155033), (3, 10385011), (7, 4450719), (13, 2396541), (17, 1832649), (21, 1483573), (39, 798847), (49, 635817), (51, 610883), (91, 342363), (119, 261807), (137, 227409), (147, 211939), (221, 140973), (273, 114121), (343, 90831), (357, 87269), (411, 75803), (637, 48909), (663, 46991), (833, 37401), (959, 32487), (1029, 30277), (1547, 20139), (1781, 17493), (1911, 16303), (2329, 13377), (2499, 12467), (2877, 10829), (4459, 6987), (4641, 6713), (5343, 5831)]