82801719

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1$

素因数の和:158

約数の個数: 108

約数和(自身を含む): 165978072

約数和(自身を除く): 83176353

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 49, 63, 77, 91, 99, 101, 117, 143, 147, 169, 231, 273, 303, 429, 441, 507, 539, 637, 693, 707, 819, 909, 1001, 1111, 1183, 1287, 1313, 1521, 1617, 1859, 1911, 2121, 3003, 3333, 3549, 3939, 4851, 4949, 5577, 5733, 6363, 7007, 7777, 8281, 9009, 9191, 9999, 10647, 11817, 13013, 14443, 14847, 16731, 17069, 21021, 23331, 24843, 27573, 39039, 43329, 44541, 51207, 54439, 63063, 64337, 69993, 74529, 82719, 91091, 101101, 117117, 119483, 129987, 153621, 163317, 187759, 193011, 273273, 303303, 358449, 489951, 563277, 579033, 707707, 819819, 836381, 909909, 1075347, 1314313, 1689831, 2123121, 2509143, 3942939, 6369363, 7527429, 9200191, 11828817, 27600573, 82801719]

約数ペア:

[(1, 82801719), (3, 27600573), (7, 11828817), (9, 9200191), (11, 7527429), (13, 6369363), (21, 3942939), (33, 2509143), (39, 2123121), (49, 1689831), (63, 1314313), (77, 1075347), (91, 909909), (99, 836381), (101, 819819), (117, 707707), (143, 579033), (147, 563277), (169, 489951), (231, 358449), (273, 303303), (303, 273273), (429, 193011), (441, 187759), (507, 163317), (539, 153621), (637, 129987), (693, 119483), (707, 117117), (819, 101101), (909, 91091), (1001, 82719), (1111, 74529), (1183, 69993), (1287, 64337), (1313, 63063), (1521, 54439), (1617, 51207), (1859, 44541), (1911, 43329), (2121, 39039), (3003, 27573), (3333, 24843), (3549, 23331), (3939, 21021), (4851, 17069), (4949, 16731), (5577, 14847), (5733, 14443), (6363, 13013), (7007, 11817), (7777, 10647), (8281, 9999), (9009, 9191)]