490578889257

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{661}}^1\times {\mathrm{3433}}^1$

素因数の和:4280

約数の個数: 80

約数和(自身を含む): 782299842192

約数和(自身を除く): 291720952935

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 157, 459, 471, 661, 1377, 1413, 1983, 2669, 3433, 4239, 5949, 8007, 10299, 11237, 12717, 17847, 24021, 30897, 33711, 53541, 58361, 72063, 92691, 101133, 103777, 175083, 216189, 278073, 303399, 311331, 525249, 538981, 910197, 933993, 1575747, 1616943, 1764209, 2269213, 2801979, 4727241, 4850829, 5292627, 6807639, 8405937, 9162677, 14552487, 15877881, 20422917, 27488031, 38576621, 43657461, 47633643, 61268751, 82464093, 115729863, 142900929, 183806253, 247392279, 347189589, 356266441, 742176837, 1041568767, 1068799323, 3124706301, 3206397969, 6056529497, 9619193907, 18169588491, 28857581721, 54508765473, 163526296419, 490578889257]

約数ペア:

[(1, 490578889257), (3, 163526296419), (9, 54508765473), (17, 28857581721), (27, 18169588491), (51, 9619193907), (81, 6056529497), (153, 3206397969), (157, 3124706301), (459, 1068799323), (471, 1041568767), (661, 742176837), (1377, 356266441), (1413, 347189589), (1983, 247392279), (2669, 183806253), (3433, 142900929), (4239, 115729863), (5949, 82464093), (8007, 61268751), (10299, 47633643), (11237, 43657461), (12717, 38576621), (17847, 27488031), (24021, 20422917), (30897, 15877881), (33711, 14552487), (53541, 9162677), (58361, 8405937), (72063, 6807639), (92691, 5292627), (101133, 4850829), (103777, 4727241), (175083, 2801979), (216189, 2269213), (278073, 1764209), (303399, 1616943), (311331, 1575747), (525249, 933993), (538981, 910197)]