78709995

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:226

約数の個数: 128

約数和(自身を含む): 177408000

約数和(自身を除く): 98698005

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 43, 45, 63, 65, 91, 105, 117, 129, 135, 149, 189, 195, 215, 273, 301, 315, 351, 387, 447, 455, 559, 585, 645, 745, 819, 903, 945, 1043, 1161, 1341, 1365, 1505, 1677, 1755, 1935, 1937, 2235, 2457, 2709, 2795, 3129, 3913, 4023, 4095, 4515, 5031, 5215, 5805, 5811, 6407, 6705, 8127, 8385, 9387, 9685, 11739, 12285, 13545, 13559, 15093, 15645, 17433, 19221, 19565, 20115, 25155, 28161, 29055, 32035, 35217, 40635, 40677, 44849, 46935, 52299, 57663, 58695, 67795, 75465, 83291, 87165, 96105, 105651, 122031, 134547, 140805, 172989, 176085, 203385, 224245, 249873, 261495, 288315, 366093, 403641, 416455, 528255, 583037, 610155, 672735, 749619, 864945, 1210923, 1249365, 1749111, 1830465, 2018205, 2248857, 2915185, 3748095, 5247333, 6054615, 8745555, 11244285, 15741999, 26236665, 78709995]

約数ペア:

[(1, 78709995), (3, 26236665), (5, 15741999), (7, 11244285), (9, 8745555), (13, 6054615), (15, 5247333), (21, 3748095), (27, 2915185), (35, 2248857), (39, 2018205), (43, 1830465), (45, 1749111), (63, 1249365), (65, 1210923), (91, 864945), (105, 749619), (117, 672735), (129, 610155), (135, 583037), (149, 528255), (189, 416455), (195, 403641), (215, 366093), (273, 288315), (301, 261495), (315, 249873), (351, 224245), (387, 203385), (447, 176085), (455, 172989), (559, 140805), (585, 134547), (645, 122031), (745, 105651), (819, 96105), (903, 87165), (945, 83291), (1043, 75465), (1161, 67795), (1341, 58695), (1365, 57663), (1505, 52299), (1677, 46935), (1755, 44849), (1935, 40677), (1937, 40635), (2235, 35217), (2457, 32035), (2709, 29055), (2795, 28161), (3129, 25155), (3913, 20115), (4023, 19565), (4095, 19221), (4515, 17433), (5031, 15645), (5215, 15093), (5805, 13559), (5811, 13545), (6407, 12285), (6705, 11739), (8127, 9685), (8385, 9387)]