51571455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 96380928

約数和(自身を除く): 44809473

約数列:

[1, 3, 5, 13, 15, 17, 39, 47, 51, 65, 85, 141, 195, 221, 235, 255, 331, 611, 663, 705, 799, 993, 1105, 1655, 1833, 2397, 3055, 3315, 3995, 4303, 4965, 5627, 9165, 10387, 11985, 12909, 15557, 16881, 21515, 28135, 31161, 46671, 51935, 64545, 73151, 77785, 84405, 155805, 202241, 219453, 233355, 264469, 365755, 606723, 793407, 1011205, 1097265, 1322345, 3033615, 3438097, 3967035, 10314291, 17190485, 51571455]

約数ペア:

[(1, 51571455), (3, 17190485), (5, 10314291), (13, 3967035), (15, 3438097), (17, 3033615), (39, 1322345), (47, 1097265), (51, 1011205), (65, 793407), (85, 606723), (141, 365755), (195, 264469), (221, 233355), (235, 219453), (255, 202241), (331, 155805), (611, 84405), (663, 77785), (705, 73151), (799, 64545), (993, 51935), (1105, 46671), (1655, 31161), (1833, 28135), (2397, 21515), (3055, 16881), (3315, 15557), (3995, 12909), (4303, 11985), (4965, 10387), (5627, 9165)]