51007905

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 105670656

約数和(自身を除く): 54662751

約数列:

[1, 3, 5, 9, 13, 15, 17, 23, 39, 45, 51, 65, 69, 85, 115, 117, 153, 195, 207, 221, 223, 255, 299, 345, 391, 585, 663, 669, 765, 897, 1035, 1105, 1115, 1173, 1495, 1955, 1989, 2007, 2691, 2899, 3315, 3345, 3519, 3791, 4485, 5083, 5129, 5865, 8697, 9945, 10035, 11373, 13455, 14495, 15249, 15387, 17595, 18955, 25415, 25645, 26091, 34119, 43485, 45747, 46161, 49283, 56865, 66677, 76245, 76935, 87193, 130455, 147849, 170595, 200031, 228735, 230805, 246415, 261579, 333385, 435965, 443547, 600093, 739245, 784737, 1000155, 1133509, 1307895, 2217735, 3000465, 3400527, 3923685, 5667545, 10201581, 17002635, 51007905]

約数ペア:

[(1, 51007905), (3, 17002635), (5, 10201581), (9, 5667545), (13, 3923685), (15, 3400527), (17, 3000465), (23, 2217735), (39, 1307895), (45, 1133509), (51, 1000155), (65, 784737), (69, 739245), (85, 600093), (115, 443547), (117, 435965), (153, 333385), (195, 261579), (207, 246415), (221, 230805), (223, 228735), (255, 200031), (299, 170595), (345, 147849), (391, 130455), (585, 87193), (663, 76935), (669, 76245), (765, 66677), (897, 56865), (1035, 49283), (1105, 46161), (1115, 45747), (1173, 43485), (1495, 34119), (1955, 26091), (1989, 25645), (2007, 25415), (2691, 18955), (2899, 17595), (3315, 15387), (3345, 15249), (3519, 14495), (3791, 13455), (4485, 11373), (5083, 10035), (5129, 9945), (5865, 8697)]