289155555

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:198

約数の個数: 128

約数和(自身を含む): 585795840

約数和(自身を除く): 296640285

約数列:

[1, 3, 5, 9, 13, 15, 27, 37, 39, 45, 61, 65, 73, 111, 117, 135, 183, 185, 195, 219, 305, 333, 351, 365, 481, 549, 555, 585, 657, 793, 915, 949, 999, 1095, 1443, 1647, 1665, 1755, 1971, 2257, 2379, 2405, 2701, 2745, 2847, 3285, 3965, 4329, 4453, 4745, 4995, 6771, 7137, 7215, 8103, 8235, 8541, 9855, 11285, 11895, 12987, 13359, 13505, 14235, 20313, 21411, 21645, 22265, 24309, 25623, 29341, 33855, 35113, 35685, 40077, 40515, 42705, 57889, 60939, 64935, 66795, 72927, 88023, 101565, 105339, 107055, 120231, 121545, 128115, 146705, 164761, 173667, 175565, 200385, 264069, 289445, 304695, 316017, 364635, 440115, 494283, 521001, 526695, 601155, 792207, 823805, 868335, 948051, 1320345, 1482849, 1563003, 1580085, 2141893, 2471415, 2605005, 3961035, 4448547, 4740255, 6425679, 7414245, 7815015, 10709465, 19277037, 22242735, 32128395, 57831111, 96385185, 289155555]

約数ペア:

[(1, 289155555), (3, 96385185), (5, 57831111), (9, 32128395), (13, 22242735), (15, 19277037), (27, 10709465), (37, 7815015), (39, 7414245), (45, 6425679), (61, 4740255), (65, 4448547), (73, 3961035), (111, 2605005), (117, 2471415), (135, 2141893), (183, 1580085), (185, 1563003), (195, 1482849), (219, 1320345), (305, 948051), (333, 868335), (351, 823805), (365, 792207), (481, 601155), (549, 526695), (555, 521001), (585, 494283), (657, 440115), (793, 364635), (915, 316017), (949, 304695), (999, 289445), (1095, 264069), (1443, 200385), (1647, 175565), (1665, 173667), (1755, 164761), (1971, 146705), (2257, 128115), (2379, 121545), (2405, 120231), (2701, 107055), (2745, 105339), (2847, 101565), (3285, 88023), (3965, 72927), (4329, 66795), (4453, 64935), (4745, 60939), (4995, 57889), (6771, 42705), (7137, 40515), (7215, 40077), (8103, 35685), (8235, 35113), (8541, 33855), (9855, 29341), (11285, 25623), (11895, 24309), (12987, 22265), (13359, 21645), (13505, 21411), (14235, 20313)]