87137141

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 116348400

約数和(自身を除く): 29211259

約数列:

[1, 7, 13, 29, 49, 53, 89, 91, 203, 371, 377, 623, 637, 689, 1157, 1421, 1537, 2581, 2597, 2639, 4361, 4717, 4823, 8099, 10759, 18067, 18473, 19981, 33019, 33553, 33761, 56693, 61321, 75313, 126469, 136793, 139867, 231133, 234871, 429247, 957551, 979069, 1644097, 1778309, 3004729, 6702857, 12448163, 87137141]

約数ペア:

[(1, 87137141), (7, 12448163), (13, 6702857), (29, 3004729), (49, 1778309), (53, 1644097), (89, 979069), (91, 957551), (203, 429247), (371, 234871), (377, 231133), (623, 139867), (637, 136793), (689, 126469), (1157, 75313), (1421, 61321), (1537, 56693), (2581, 33761), (2597, 33553), (2639, 33019), (4361, 19981), (4717, 18473), (4823, 18067), (8099, 10759)]