211345785

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:743

約数の個数: 96

約数和(自身を含む): 451256832

約数和(自身を除く): 239911047

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 61, 63, 85, 105, 119, 153, 183, 255, 305, 315, 357, 427, 549, 595, 647, 765, 915, 1037, 1071, 1281, 1785, 1941, 2135, 2745, 3111, 3235, 3843, 4529, 5185, 5355, 5823, 6405, 7259, 9333, 9705, 10999, 13587, 15555, 19215, 21777, 22645, 29115, 32997, 36295, 39467, 40761, 46665, 54995, 65331, 67935, 76993, 98991, 108885, 118401, 164985, 197335, 203805, 230979, 276269, 326655, 355203, 384965, 494955, 592005, 670939, 692937, 828807, 1154895, 1381345, 1776015, 2012817, 2486421, 3354695, 3464685, 4144035, 4696573, 6038451, 10064085, 12432105, 14089719, 23482865, 30192255, 42269157, 70448595, 211345785]

約数ペア:

[(1, 211345785), (3, 70448595), (5, 42269157), (7, 30192255), (9, 23482865), (15, 14089719), (17, 12432105), (21, 10064085), (35, 6038451), (45, 4696573), (51, 4144035), (61, 3464685), (63, 3354695), (85, 2486421), (105, 2012817), (119, 1776015), (153, 1381345), (183, 1154895), (255, 828807), (305, 692937), (315, 670939), (357, 592005), (427, 494955), (549, 384965), (595, 355203), (647, 326655), (765, 276269), (915, 230979), (1037, 203805), (1071, 197335), (1281, 164985), (1785, 118401), (1941, 108885), (2135, 98991), (2745, 76993), (3111, 67935), (3235, 65331), (3843, 54995), (4529, 46665), (5185, 40761), (5355, 39467), (5823, 36295), (6405, 32997), (7259, 29115), (9333, 22645), (9705, 21777), (10999, 19215), (13587, 15555)]