211026465

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:448

約数の個数: 80

約数和(自身を含む): 411642000

約数和(自身を除く): 200615535

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 149, 195, 269, 351, 405, 447, 585, 745, 807, 1053, 1341, 1345, 1755, 1937, 2235, 2421, 3497, 4023, 4035, 5265, 5811, 6705, 7263, 9685, 10491, 12069, 12105, 17433, 17485, 20115, 21789, 29055, 31473, 36315, 40081, 52299, 52455, 60345, 87165, 94419, 108945, 120243, 156897, 157365, 200405, 261495, 283257, 360729, 472095, 521053, 601215, 784485, 1082187, 1416285, 1563159, 1803645, 2605265, 3246561, 4689477, 5410935, 7815795, 14068431, 16232805, 23447385, 42205293, 70342155, 211026465]

約数ペア:

[(1, 211026465), (3, 70342155), (5, 42205293), (9, 23447385), (13, 16232805), (15, 14068431), (27, 7815795), (39, 5410935), (45, 4689477), (65, 3246561), (81, 2605265), (117, 1803645), (135, 1563159), (149, 1416285), (195, 1082187), (269, 784485), (351, 601215), (405, 521053), (447, 472095), (585, 360729), (745, 283257), (807, 261495), (1053, 200405), (1341, 157365), (1345, 156897), (1755, 120243), (1937, 108945), (2235, 94419), (2421, 87165), (3497, 60345), (4023, 52455), (4035, 52299), (5265, 40081), (5811, 36315), (6705, 31473), (7263, 29055), (9685, 21789), (10491, 20115), (12069, 17485), (12105, 17433)]