1279394415

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1249}}^1$

素因数の和:1393

約数の個数: 96

約数和(自身を含む): 2555280000

約数和(自身を除く): 1275885585

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 103, 117, 153, 195, 221, 255, 309, 515, 585, 663, 765, 927, 1105, 1249, 1339, 1545, 1751, 1989, 3315, 3747, 4017, 4635, 5253, 6245, 6695, 8755, 9945, 11241, 12051, 15759, 16237, 18735, 20085, 21233, 22763, 26265, 48711, 56205, 60255, 63699, 68289, 78795, 81185, 106165, 113815, 128647, 146133, 191097, 204867, 243555, 276029, 318495, 341445, 385941, 643235, 730665, 828087, 955485, 1024335, 1157823, 1380145, 1672411, 1929705, 2186999, 2484261, 4140435, 5017233, 5789115, 6560997, 8362055, 10934995, 12421305, 15051699, 19682991, 25086165, 28430987, 32804985, 75258495, 85292961, 98414955, 142154935, 255878883, 426464805, 1279394415]

約数ペア:

[(1, 1279394415), (3, 426464805), (5, 255878883), (9, 142154935), (13, 98414955), (15, 85292961), (17, 75258495), (39, 32804985), (45, 28430987), (51, 25086165), (65, 19682991), (85, 15051699), (103, 12421305), (117, 10934995), (153, 8362055), (195, 6560997), (221, 5789115), (255, 5017233), (309, 4140435), (515, 2484261), (585, 2186999), (663, 1929705), (765, 1672411), (927, 1380145), (1105, 1157823), (1249, 1024335), (1339, 955485), (1545, 828087), (1751, 730665), (1989, 643235), (3315, 385941), (3747, 341445), (4017, 318495), (4635, 276029), (5253, 243555), (6245, 204867), (6695, 191097), (8755, 146133), (9945, 128647), (11241, 113815), (12051, 106165), (15759, 81185), (16237, 78795), (18735, 68289), (20085, 63699), (21233, 60255), (22763, 56205), (26265, 48711)]