71388567

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^2$

素因数の和:193

約数の個数: 48

約数和(自身を含む): 116659200

約数和(自身を除く): 45270633

約数列:

[1, 3, 9, 19, 27, 31, 57, 67, 93, 171, 201, 279, 513, 589, 603, 837, 1273, 1767, 1809, 2077, 3819, 4489, 5301, 6231, 11457, 13467, 15903, 18693, 34371, 39463, 40401, 56079, 85291, 118389, 121203, 139159, 255873, 355167, 417477, 767619, 1065501, 1252431, 2302857, 2644021, 3757293, 7932063, 23796189, 71388567]

約数ペア:

[(1, 71388567), (3, 23796189), (9, 7932063), (19, 3757293), (27, 2644021), (31, 2302857), (57, 1252431), (67, 1065501), (93, 767619), (171, 417477), (201, 355167), (279, 255873), (513, 139159), (589, 121203), (603, 118389), (837, 85291), (1273, 56079), (1767, 40401), (1809, 39463), (2077, 34371), (3819, 18693), (4489, 15903), (5301, 13467), (6231, 11457)]